Thank you so much！After installing the mudguard to my brompton ，the bike just unfolds itself ，it was so annoying！Now that I watched your video， i just realized i forgot to flip the head of my “thor hammer” around！
Very Helpful Petrelli!!! Your videos besides its so clear, i like how you explain how things work. I hope you could make a video about slipping seatpost. I am sure with your experience you can help us your subscriber understand the causes of such. Thank You and more power sir!
Hello Petrelli, thanks for helping us understand the operation of the brompton pieces, you have explained it very well and very easy to understand, regards 😊👍☘️.
I just took delivery of my first Brompton shipped direct to me from a US dealer. Left hand grip was not pushed all the way on, so the handle bar would strike the floor. The brake levers, as well as the handlebar were pitch too far forward to close without forcing it, which apparently they did in the factory. I fixed it all, but I really shouldn’t have had to do all that. Oh and the handlebars and the front stem were not aligned with the wheel. Perhaps someone new build my bike at the factory? It’s all fixed now and I do love the bike
Those Super light one is like random length. Although most of them are abit Long, but if you have a rack in your bike, you might just about to make it through.
Thank you! I've lost my stop disc set due my bad assembly. I purchase a alternative lightweight stop disc, then I noticed I've lost the concave washer (brompton name), washer and spring washer (part number 9040070 or QLSDA if you are looking for the brompton part number/name for the complete set). *What can I use as alternative for the concave washer?*
Thanks for watching one of the older video. I think it’s time to remaster some of the older one as there are newer option that’s on the market. Anyway, there was a time (on the road) when we don’t have the concave washer but had to continue with the ride. I used a stack a normal washers to get the work done. The key is to matching the same stack height as the concave one. These concave washers aren’t Brompton exclusive. You should be able to access them from a lot of websites and local bike shop. They hardly worth anything. I hope I had answered you.
As an owner of a Lightweight, I of course soon changed the stop disc to a lighter, titanium model, with a new carbon disc on top. And my seat post is a, given to me as standard, Scandinavian size, 600 mm so if it can't just let it go through, as it is way too long for being able to fold my bike efficiently (I still have much seat post on top of my bike, when folded). Or maybe I can, but it is till too long for my B&W travelbox to be able to function, without taking it out, and the sadle off the seat post, so for a try I have ordered a 535 mm black titanium post to see if I, being 184 cm, am able to still ride it then?? ;-) Finn, Denmark
Thanks for the info. Now I know why my bike keeps opening when I lift it up. But what do I need to do to prevent the bike from opening when I lift it up? Is it to get the stopper to within 1-2 mm away from the post?
Are Brooks comfortable? maybe, but it just doesn't work out for me. Saddle are very personal, you have to try it to know it. I believe the Brooks and Brompton relationship came a long way. Its more like a cult to me. If you see any Brompton riders that rides Road bike or MTB, they would only slot there RB/MTB saddle to their Brompton, but they would never do it the other way round. I am a big fan of the San Marco Mantra & Selle Italia SLR. I could sit on them and ride for a day and still comfortable in them.
I watched this video back when I was shopping quite some time ago now. It's been a few months and I finally took delivery of my Brompton. I feel that I have maxed out the adjustment on my stock lower stop disc but it's still just a little too far from the seat post to be secure. I'm not sure if my bike happens to be a little oddly shaped or what!? I'm not sure what to do since it sounds like the most versatile and adjustable stop disc 😢
@@NoZenith i see. What i did was to first adjust the 15mm screw to the desired height. Then use a 19mm wrench to tighten the rubber stopper accordingly. Otherwise u can try purchase the "thor hammer". Hope this helps.
sorry about the late reply. The Brompton Original seat post works well, but it would rust. If rust is a concern to you, you can look into the titanium seatpost, to me, they are most comfortable as well.
😆 I did watching it to the end because I just got the thor hammer, was hoping you'd show us how to fix it up properly. But it's not there in the end sadly
The hummer and the original stop disc are setup with the same method. Remove the original stop disc from the Brompton and directly replace it with the hammer. Remember those spacers had to be in the same arrangement as the original as well. Once you had this done, check if the contact point to the seatpost is in good spacing of 1 to 2 mm away. If it is, we are good to go. If not, you will have to adjust the hammer head according how I described in the video. I hope I had answered your concern, if not, drop me a note, maybe I can make a video for you on this one. Cheers.
Hi , Is aftermarket brompton headset works better than the orginal brompton headset?? Most of my friend have change alway the orginal headset to aftermarket..
Thanks for watching my video, its good to have you here. There are 3 ways to look at this. First is the weight, the aftermarket headset are generally made with aluminium, they are normally 40% lighter than the original Brompton headset. Second, the alu one doesn't rust like the original one. Third, the Brompton original uses some exposed bearing, they are good as long as you maintain them. The aftermarket one are mostly on seal bearing, which are more handle free. I hope I had answered you.
Hi Petrelli, I revisit your videos a lot and so thought of this when I started having an issue with my Lower Stop Disk. Essenitally, it sticks out too much even when screwed fully back. I have to lift the wheel a fraction to fully lower the seatpost when folding and then the same wheel lift when unfolding. Any idea why this would be happening, and tips to sort it out? Keep up the good work (good to see you making videos again by the way!)
@@Petrellionwheels I have replaced the LSD bolt for a titanium one - but it is exactly the same size and shape. The LSD itself is still the original one. I’ve got an H&H carbon seatpost but I had the same issue before putting that on the bike. Persoanlly, I think it’s worse when I don’t have mudguards fitted - I take them off at this time of year - so maybe something to do with not having the roller wheel on the rear mudguard not lifting things up as much?
Hi there bud, great content again and keep them coming :) I am using the 3rd LSD that you showed and did have an issue with my seat post too of not being able to fully lower down. I removed the the washer that supposed to be placed after the spring washer and I don't have the issue with my seat post hitting the LSD. But do you think it is ok with that washer not being install or I should be worrying and better have it back on again. Thanks again and have a lovely Wednesday :)
Thanks for watching my video and leaving the comments with me. The spring washer is there to keep the tension on the LSD. So it won’t be popping off if it went off a little bit from that bolt. If you don’t have it, you will just have to check if the LSB is secure at the position from time to time before it dropped off. I hope I had answered you.
Hello Petrelli, Thank you for the open invitation to write you if we have any questions to raise. I bought a complete set of glossy film/sheet sticker to cover the entire bicycle - to make it look glossy (like new) all the time. The problem is that I could not identify/match the sticker with the bicycle parts. Would it be too much to seek your help to identify the following by Illustrating a sketch or picture of the bicycle parts to match the stickers: 1) Top tube to seat brace right side, 2) Left chain stay to seat stay brace, 3) Right chain stay to seat stay brace, 4) Left chain stay, 5) Left seat stay, 6) Top tube to seat tube brace left side. Looking forward to hearing from you. Thank you. S. H. Tan.
Thank you for asking. I can make a video for you on next Tuesday to answer with your concern. It’s about time I do a Q&A session. Thanks for watching the video anyway.
Hi Patrelli I have a m2l black edition which was supplied with an extended seat post. My question is, can I simply chop off the bottom of the seat post in order to make the seat go all the way down so it's more compact when folded, or is this flare important in the mechanism? In other words, I'm wondering if I need to buy a standard seat post or not, or can I be cheap and shorten this one instead? Many thanks for your help with this in advance. Keep up the excellent content and entertaining all of us. Wayne
I watched until there end. Why are 4 speed upgrades in Indonesia so common? You often see the same upgrades with Rotor or Thm crank and velotransit chain tensioner. Either 4 sp or 7 sp
Thank you for watching till the end, you are cool man. Everyone love more gears on the bike. It’s just easier to ride. What I’ve learn in the last few years is that the Indonesian market is very trend followed. It really go by the momentum. A lot of the modification market started like this. However, I am sure there are some unique mod from there as well. Have a good day buddy.
Hi Petrelli, I really like your videos, very direct and instructive. Congratulations! Do you know if there is a special ajustment for the Brompton bumpper? It is not loking the rear weell anymore . If I lift the bike it folds by itself. Keep safe and great rides
Hi Chris. If you turn the bumper block 180 degrees it goes from being able to lock, to a permanent unlocked position. Some people keep it in the unlocked position so the can just fold the bike without engaging the lever underneath the block. Hope this helps.
@@edgarcorrea Thanks Ed Correa My bumper use to be able to lock and unlock with just a touch, but I've change for a diferent bumper and can not make the same adjustment. Thanks very much for the tip.
Peter, can you provide me with your e-mail address? Or contact me ASAP on the e-mail on the "About" section of my channel. I'm making a new video and would like to make a reference to one of yours, and possibly have you participating in it. Thanks!
The Brompton parts are well designed from a technical standpoint and, more importantly, have been tested. However they are ugly and the plastic is just not premium at all. These are not cheap bikes. The problem with many aftermarket parts is that they have not been tested and are dangerous. They can just fall apart or don't fulfil their purpose. I think Ti parts, Minimods, H&H and Joseph Kuosac are probably good. Please feel free to correct.
Why would people want to make your Brompton lighter? Is already light with a stock 6 speed at 28lbs. Is good to have some weight so your legs work harder, otherwise you would just defeat the whole purpose of riding a bicycle. Another thing is people who complained about the weight are the ones riding it to the gym to lift weight for their workout.
Super informative. Thanks so much!!
So that is what the part is for. Thank you! I just got my bike and your videos are very helpful.
Thank you so much！After installing the mudguard to my brompton ，the bike just unfolds itself ，it was so annoying！Now that I watched your video， i just realized i forgot to flip the head of my “thor hammer” around！
I am glad the video help. Thanks for watching it and hope you are enjoying your ride.
Thank you very much Patrelli for you lesson.😊
Thanks. So many little smart bits on Bromptons, it’s good to know one more. (Watched until the end ;) ).
Great explanation of one of the weirdest parts of the Brompton 👏🏽
Very thorough explanation. I'm finding the bike unfolds all the time, plus the stop disc is rusty. Time for a change!
You speak very well the English language and the information was very useful. Thanks.
Thanks man, problems this week on bike unfolding when picked up. Going to check this now. Keep this stuff coming' it helps.
Great to have you here. Check if the front hook is working out for you as well. I hope you Brompton will be fine for you soon.
Thank you. I appreciate you taking the time to make this video.
now I understand why my front wheel unhook occasionally! (watched to the end ;) )
So many words to explain a simple procedure.
Very nice video. Thank you. The length was also just right.
A nice detailed video, thank you!
Thank you for making this video, this really help. Off course I watch till the end. 😜
its good to have you here till the end buddy. Have a blasting day ahead.
thanks!! very useful, im setting it now
Very informative and easy to follow....cheers.
Tks now only I know the function of this part and how to adjust .
Pretty happy with the original ‘LSD’ on my bikes but enjoying your content and learning! Thanks 👍🙏🤗
It’s good to have your here again. I actually made a joke on the LSD on the original cut. Lol.
Very Helpful Petrelli!!! Your videos besides its so clear, i like how you explain how things work. I hope you could make a video about slipping seatpost. I am sure with your experience you can help us your subscriber understand the causes of such. Thank You and more power sir!
When the Brompton is fully folded the tire touched the bottom of the top tube. How do put a space between the trie and the top tube?
Very useful and informative, thanks for sharing!
thank you for spending time on my video.
Hello Petrelli, thanks for helping us understand the operation of the brompton pieces, you have explained it very well and very easy to understand, regards 😊👍☘️.
Thanks for watch the video Mithu, I am glad the information was useful to you. Have a good day.
I just took delivery of my first Brompton shipped direct to me from a US dealer. Left hand grip was not pushed all the way on, so the handle bar would strike the floor. The brake levers, as well as the handlebar were pitch too far forward to close without forcing it, which apparently they did in the factory. I fixed it all, but I really shouldn’t have had to do all that. Oh and the handlebars and the front stem were not aligned with the wheel. Perhaps someone new build my bike at the factory? It’s all fixed now and I do love the bike
This is really useful - thanks
Thank you for this video, I learn something new today. :)
Thanks for watching the video. more will be coming our way.
Thanks keep the videos coming
thanks for spending time with my video, more are coming.
Thanks. I was just checking these stops out on internet. I wanted that superlight one but now that I know its a bit to long I try the titanium option.
Those Super light one is like random length. Although most of them are abit Long, but if you have a rack in your bike, you might just about to make it through.
Awesome topic Bro, keep it up Pete
Thanks for being here again Kent
This helped a lot.
Great video, informative and enjoyable. Would have liked to see how Thor's Hammer works when attached to the bike. 👍🏼
I’m using H&H Thor Hammer stopper too and it works great.
Thank you!
I've lost my stop disc set due my bad assembly. I purchase a alternative lightweight stop disc, then I noticed I've lost the concave washer (brompton name), washer and spring washer (part number 9040070 or QLSDA if you are looking for the brompton part number/name for the complete set).
*What can I use as alternative for the concave washer?*
Thanks for watching one of the older video. I think it’s time to remaster some of the older one as there are newer option that’s on the market. Anyway, there was a time (on the road) when we don’t have the concave washer but had to continue with the ride. I used a stack a normal washers to get the work done. The key is to matching the same stack height as the concave one. These concave washers aren’t Brompton exclusive. You should be able to access them from a lot of websites and local bike shop. They hardly worth anything. I hope I had answered you.
As an owner of a Lightweight, I of course soon changed the stop disc to a lighter, titanium model, with a new carbon disc on top. And my seat post is a, given to me as standard, Scandinavian size, 600 mm so if it can't just let it go through, as it is way too long for being able to fold my bike efficiently (I still have much seat post on top of my bike, when folded). Or maybe I can, but it is till too long for my B&W travelbox to be able to function, without taking it out, and the sadle off the seat post, so for a try I have ordered a 535 mm black titanium post to see if I, being 184 cm, am able to still ride it then?? ;-) Finn, Denmark
Thanks for the info.
Now I know why my bike keeps opening when I lift it up. But what do I need to do to prevent the bike from opening when I lift it up? Is it to get the stopper to within 1-2 mm away from the post?
As long as the stopper is closed to the Seatpost and pressing against it when you lift up the Brompton. You should be good.
@@Petrellionwheels
Good Morning Petrelli,
Thank you much for the advice
On the stopper.
Looking forward to hearing and viewing your video.
A lot of people swear by Brooks B27 but I find it heavy and mainstream. What are your recommended alternatives?
Are Brooks comfortable? maybe, but it just doesn't work out for me. Saddle are very personal, you have to try it to know it. I believe the Brooks and Brompton relationship came a long way. Its more like a cult to me. If you see any Brompton riders that rides Road bike or MTB, they would only slot there RB/MTB saddle to their Brompton, but they would never do it the other way round. I am a big fan of the San Marco Mantra & Selle Italia SLR. I could sit on them and ride for a day and still comfortable in them.
Would you be doing an episode on the common external gear shifting issues with the newer brompton shifters?
I watched this video back when I was shopping quite some time ago now. It's been a few months and I finally took delivery of my Brompton. I feel that I have maxed out the adjustment on my stock lower stop disc but it's still just a little too far from the seat post to be secure. I'm not sure if my bike happens to be a little oddly shaped or what!? I'm not sure what to do since it sounds like the most versatile and adjustable stop disc 😢
Hi. Please adjust the LSD when the bike is in folded position. With the seat post lowered.
@@RKFP it is maxed out. Can't adjust it out any further
@@NoZenith i see. What i did was to first adjust the 15mm screw to the desired height. Then use a 19mm wrench to tighten the rubber stopper accordingly. Otherwise u can try purchase the "thor hammer". Hope this helps.
reason #3 made me laugh out loud!
Enjoyed your video..........what are your views on upgrading the seat post? xx
sorry about the late reply. The Brompton Original seat post works well, but it would rust. If rust is a concern to you, you can look into the titanium seatpost, to me, they are most comfortable as well.
@@Petrellionwheels Do you use a titanium seat post?
I learned smth new now :)
😆 I did watching it to the end because I just got the thor hammer, was hoping you'd show us how to fix it up properly. But it's not there in the end sadly
The hummer and the original stop disc are setup with the same method. Remove the original stop disc from the Brompton and directly replace it with the hammer. Remember those spacers had to be in the same arrangement as the original as well. Once you had this done, check if the contact point to the seatpost is in good spacing of 1 to 2 mm away. If it is, we are good to go. If not, you will have to adjust the hammer head according how I described in the video.
I hope I had answered your concern, if not, drop me a note, maybe I can make a video for you on this one. Cheers.
Just saw this! Cheers! Ill check again tomorrow against your note...will take photo...
it was very informative. Keep up the good job! Kinda like the Thor Hammer!
Hi , Is aftermarket brompton headset works better than the orginal brompton headset?? Most of my friend have change alway the orginal headset to aftermarket..
Thanks for watching my video, its good to have you here. There are 3 ways to look at this. First is the weight, the aftermarket headset are generally made with aluminium, they are normally 40% lighter than the original Brompton headset. Second, the alu one doesn't rust like the original one. Third, the Brompton original uses some exposed bearing, they are good as long as you maintain them. The aftermarket one are mostly on seal bearing, which are more handle free. I hope I had answered you.
thank you!
Why is there need to adjust the stop disk? Curious and new Brommie owner here
Hi Petrelli,
I revisit your videos a lot and so thought of this when I started having an issue with my Lower Stop Disk. Essenitally, it sticks out too much even when screwed fully back. I have to lift the wheel a fraction to fully lower the seatpost when folding and then the same wheel lift when unfolding. Any idea why this would be happening, and tips to sort it out?
Keep up the good work (good to see you making videos again by the way!)
Darren, before I jump onto any boat, may I ask if the parts are all original Brompton parts or some had been upgraded?
@@Petrellionwheels I have replaced the LSD bolt for a titanium one - but it is exactly the same size and shape. The LSD itself is still the original one.
I’ve got an H&H carbon seatpost but I had the same issue before putting that on the bike.
Persoanlly, I think it’s worse when I don’t have mudguards fitted - I take them off at this time of year - so maybe something to do with not having the roller wheel on the rear mudguard not lifting things up as much?
Hi there bud, great content again and keep them coming :)
I am using the 3rd LSD that you showed and did have an issue with my seat post too of not being able to fully lower down.
I removed the the washer that supposed to be placed after the spring washer and I don't have the issue with my seat post hitting the LSD.
But do you think it is ok with that washer not being install or I should be worrying and better have it back on again.
Thanks again and have a lovely Wednesday :)
Thanks for watching my video and leaving the comments with me. The spring washer is there to keep the tension on the LSD. So it won’t be popping off if it went off a little bit from that bolt. If you don’t have it, you will just have to check if the LSB is secure at the position from time to time before it dropped off. I hope I had answered you.
Hello Petrelli,
Thank you for the open invitation to write you if we have any questions to raise.
I bought a complete set of glossy film/sheet sticker to cover the entire bicycle - to make it look glossy (like new) all the time. The problem is that I could not identify/match the sticker with the bicycle parts. Would it be too much to seek your help to identify the following by Illustrating a sketch or picture of the bicycle parts to match the stickers:
1) Top tube to seat brace right side,
2) Left chain stay to seat stay brace,
3) Right chain stay to seat stay brace,
4) Left chain stay,
5) Left seat stay,
6) Top tube to seat tube brace left side.
Looking forward to hearing from you.
Thank you.
S. H. Tan.
Thank you for asking. I can make a video for you on next Tuesday to answer with your concern. It’s about time I do a Q&A session. Thanks for watching the video anyway.
Hi Patrelli
I have a m2l black edition which was supplied with an extended seat post.
My question is, can I simply chop off the bottom of the seat post in order to make the seat go all the way down so it's more compact when folded, or is this flare important in the mechanism?
In other words, I'm wondering if I need to buy a standard seat post or not, or can I be cheap and shorten this one instead?
Many thanks for your help with this in advance.
Keep up the excellent content and entertaining all of us.
Wayne
I watched until there end. Why are 4 speed upgrades in Indonesia so common? You often see the same upgrades with Rotor or Thm crank and velotransit chain tensioner. Either 4 sp or 7 sp
Thank you for watching till the end, you are cool man. Everyone love more gears on the bike. It’s just easier to ride. What I’ve learn in the last few years is that the Indonesian market is very trend followed. It really go by the momentum. A lot of the modification market started like this. However, I am sure there are some unique mod from there as well. Have a good day buddy.
Hi Petrelli, I really like your videos, very direct and instructive. Congratulations!
Do you know if there is a special ajustment for the Brompton bumpper? It is not loking the rear weell anymore . If I lift the bike it folds by itself.
Keep safe and great rides
Hi Chris. If you turn the bumper block 180 degrees it goes from being able to lock, to a permanent unlocked position. Some people keep it in the unlocked position so the can just fold the bike without engaging the lever underneath the block. Hope this helps.
@@edgarcorrea Thanks Ed Correa
My bumper use to be able to lock and unlock with just a touch, but I've change for a diferent bumper and can not make the same adjustment.
Thanks very much for the tip.
Peter, can you provide me with your e-mail address? Or contact me ASAP on the e-mail on the "About" section of my channel. I'm making a new video and would like to make a reference to one of yours, and possibly have you participating in it. Thanks!
Hay Vector. Thanks for reaching out. I just sent you an email.
Never through LSD away. Please send it to me. 🤯
👏👏👏👌
The Brompton parts are well designed from a technical standpoint and, more importantly, have been tested. However they are ugly and the plastic is just not premium at all. These are not cheap bikes. The problem with many aftermarket parts is that they have not been tested and are dangerous. They can just fall apart or don't fulfil their purpose. I think Ti parts, Minimods, H&H and Joseph Kuosac are probably good. Please feel free to correct.
Firstttt!!
lol, thanks was fast....
@@Petrellionwheels I always admire your works and skills since I was watching some youtube video made by Jamie Lim..
Jamie is cool and thanks for kind words. I will keep the engine going.
Why would people want to make your Brompton lighter? Is already light with a stock 6 speed at 28lbs. Is good to have some weight so your legs work harder, otherwise you would just defeat the whole purpose of riding a bicycle.
Another thing is people who complained about the weight are the ones riding it to the gym to lift weight for their workout.
Unfortunately, this man talks too long about what he is going to be talking about. I can't take it for more than a minute or two.
Sorry to disappoint you again. I will try to keep my next one nice and short for you. Cheers.
@@Petrellionwheels your vid is fine. Don’t worry