Handlebar Rise Vs Stem Spacers - What’s The Difference? |
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- Опубликовано: 7 авг 2024
- Welcome back to another episode of Ask GMBN Tech, where we try to answer all of your complex, scary, niche, and technical questions about mountain bikes and MTB-related tech!
⏱ Timestamps 👇
00:00 - Intro
00:20 - Is there a difference between having a handlebar with a high rise compared to just having more spacers under the stem? (If the steerer tube allows it, of course)?
03:16 - Can water contaminate your rotors also I'd I use a diluted soap and water and accidentally get it on my disc will it contaminate it?
05:06 - Can you run a shorter travel fork with higher travel rear?
06:48 - Why hasn’t any derailleur manufacturer experimented with an upside-down derailleur?
09:32 - I wrapped my bike but a rock hit one of the exposed areas, the carbon looks ok but it’s now exposed and the paint is flaking. How to fix?
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Remember that the sweep and angle of the handlebars mean that the angle of your grip changes as you rotate the bars, whereas stem and spacers do not. Changing the angle of the bars can have a huge effect on comfort and control as well as position.
#WhereIsDoddy ????
Doddy went to buy some milk one day & never returned. 😂
I to am a little curious about Doddy… but glad you’re here answering questions and talking tech… great answer to the upside derailleur, you understand the logic in bikes, awareness and appreciation comes from experience. Great video of course so thanks for keeping gmbn tech going🤘😍
I half expected him to burst into the studio last week and throw the roadie out - tehe. But yeah, hope all is ok with him and the family.
everyone's mtb questions are all answered. the only remaining question is, where is doddy?
LoL
Awesome video,really excellent explanation on frame/fork angle and how it affects your reach.Looking forward to the next videos.💯👌🏻✌🏻
Thanks so much, Reinhold! We're stoked that you're loving the content! Stay tuned! 👍
Did someone give Doddy clothes... So now the tech house elf is free?
Oh.... DOBBY... 🙄😜😂
Thanks for answering the top derailleur question, I didn't think about the tension problem...
I ride with my bars as high as I can get them to compensate for my back and spinal issues. Except for climbing, the ride improved in all other areas of trail and downhill.
#WhereIsDoddy
Sea Otter in Monterey California
GMBN is doing fans a disservice by not saying anything about Doddy.
I heard that the GMBN shop is bringing out a boardgame with Doddy dressed in a red and white stripe race top and beanie
He's under the table
@@TikeMyson69 😅
Posted that last wk! 'wheres Doddy' board game😂
#whereisdoddy not that the show isn't still good but I originally came here after years of reading his work in the magazines, as I imagine others have. It's a shame we're not getting an answer.
I disagree with the stem/handlebar answer! Correct me if i'm wrong, but handlebars have a rising plane that should be aligned with the headtube angle. If that is properly setup, having a higher rise bar or more spacers will shorten reach more. Obviously, if that handlebar plane is vertically alligned, reach won't change as much as height does.
The auto focus is quite distracting
Lol I didn’t notice until I read your comment
...again, for questions and answers about bar-height, bar roll, riser bars and geometry; look no further than dirt bikes-motocross bikes...🙄👍
Hell yeh, ALWAYS make sure the stroke in the rear is right... Could be tears otherwise
How many weeks and episodes has Doddy been missing from now ? There is definitely something that has happened now, it’s too long to be away for a minor illness…. Maybe he has parted way with GMBN ? The quality of shows is suffering and the presenters are not even close in terms of knowledge and understanding of the topics covered!
Hi, the last question re damage to carbon. An inspection inside of the tube would be a good idea. This usually requies a borescope or snake camera. If the impact was significant it could cause delamination damage on the back face.
Water can damage carbon composite because it is a composite. Water could have water capiliary along the fibres and possibly lead to delamination damage.
Best to get an expert to check it over.
#AskGMBNTech
Should I use grease beetween the fork stanchion and the crowns in a DH bike?
Actual Bike Reach = Nominal Bike Reach - spacer height * COS(HA). For example: if you have a reach of 470mm as per the bike datasheet, a head angle of (63’), and 40mm of spacers under the stem: 470 -(40xCOS(63)) = 451.84 mm
It did seem like this subject could be covered more in detail and with different real world examples. Also, I'd like to see a shop that takes your measurements, as at a tailor's, and have an exact custom demo bike produced to try out as a start.
@@Happy_Biker I agree.... As in .. what effect does going from a 15mm rise bar to a 25mm rise bar, vs adding 10mm of spacers, or flipping the stem... Would be good to illustrate all of those "similar" changes and show the actual effect.. and more importantly, would most people notice the reach change?
Lol, I remember when the set was full of Muc-Off products. Congrats on the new sponsor, those bills don't pay themselves...
#AskGMBNTech
Hi there, I have a 2014 Specialized Demo and I was wondering what kind of chain guide goes with that frame (like ISCG 05 or any other kind) and if the BB affects anything on the guide. Thanks, love the show.
Just built a brand new Demo for a customer at the shop I work for. Twas quite the machine!
First question was actually #wherethedangheckisdoddy?
Think he's at sea otter
What happened to Doddy?
I have a 2022 canyon strive (headtube angle is 63), can I steepen then headtube angle at 64 degrees to make my bike more agile and responsive? #AskGMBNTech
#AskGMBNTech I currently have shock stroke of 60mm and I am thinking of going to a 62.5 or 65 mm shock stroke, I have herd overstroking a bike isn't good but it hasn't really been said why so I am wondering what the downsides are of overstocking a bike is?
Easiest answer is that your tire might rub at bottom out...more complicated answer involves the kinematics of the frame pivot/arcs may not function optimally with a longer stroke.
#askgmbntech can I add spacers to the steerer tube under the stem if it’s higher than the steerer tube so causes a slight gap at the top for the stem cap , in that the stem cap will no longer be flush with the steerer tube but instead flush with a spacer ….?
Stems come in different lengths. Slack had angle more spaces longer stem.
Easy to blast drive train grease/oil onto a disc... Done it... Cover disc, and/or be careful if DT very oiley
What's the brand/model of the stem on the thumbnail image? 🤔
I think it's a canyon OEM one?
@@kingflynxi9420 thanks. Seems indeed a OEM one, and they have a similar G5 one.
Yeah, this is Canyon's OEM stem. 👍
#AskGMBNtech March 20 was the last time a video featuring Andrew Dodd (aka Doddy) was uploaded. That's almost a month ago. Since then hundreds of subscribers have asked the same question. But you have not provided any answer whatsoever. That's a serious lack of respect for your subscribers. Until you provide an answer about Doddy's whereabouts, my subscription to the channel is off. #WhereIsDoddy?
#gotta love diversity.
Behave
Also been asking numerous questions with no answers since Doddy is gone. unsubscribing soon as well.
Very entitled
How will u know if he comes back🤔😂
I want to add you can also increase height by flipping the stem...
I think xc bars are low not because of looks... But aero..
What’s happened to Doddy
You do a fantastic job, But you're even better together with Doddy. I see many others asking without any replies from GBMN. However he's still active on his own socials, I hope everything is alright? I think some clarity is fair ☺ We love you all, but many are followers of Andrews work too for sure.
I thought Rich was great with Anna too
Greta vid great tips
#askgmbntech
Hi Anna, Doddy, love gmbn tech! My question is about centerlock rotor. Is it normal to have a front and rear play (few radius) once discs are bolted to the good torque?
#askgmbntech you can see what i mean here:
ruclips.net/video/o0K2mytJ-VU/видео.html
Cheers,
Julien
If it’s a not centre lock rotor but an adapted six bolt like presumably you are referring to then it will slip a little when engaged thru the bolt holes (the adaptor to the spline very minimal) but the play you are experiencing is the pad slip in the caliper… if you are rocking the bike back and forth brakes applied.
@@jonamail3143 no it's a reel centerlock disc, it's sram hs2 CL with the "cassette" nut. And it's not a sleeping of the pad in the caliper. It a move from the center lock disc. If I do the same with my 6bolt wheels, no play at all.
If it was a pad play, you will see the disc moving, if you paid attention, only the rim is moving in my video, in fact the entrie wheel is moving when the disc is fully lock in the caliper.
I had the same problem with a adaptor on my old bike. It's probably more easy to see:
ruclips.net/video/AMEMWbseWjg/видео.html
Sounds like SRAM center locks are manufactured poorly, it is a shimano design
My homie has a 500mm rise on his lowrider. 😅
I always here for Anna ❤
DODDY! WE ARE MISSING YOU!
I think she’s good
She’s a good host, but where the heck is Doddy?
Hey GMBN Tech Fans! As a lot of you may have caught onto, Doddy hasn’t been featured on the channel for a while. We are stoked to announce that Doddy will be returning to your screens in the near future. We apologise for the radio silence on this matter and hope it hasn’t caused any upset or confusion. Stay tuned for upcoming videos from Anna & Doddy! All the best and safe riding! The GMBN Tech Team
@@gmbntech thanks God he is okay. Thank you for a reply.
Haven't been her for a while, well done you know your stuff. Your a very good presenter.
Ah BTW do you know were Doddy is 😀😀😀😀
I’m sure if Doddy was presenting and Anna had not appeared for a while we’d be asking, ‘Where is Anna?’, just as much. ❤
Dawn Dish soap is an excellent degreaser and leaves rotors, cassette, ect squeaky clean with no residue. REAL cheap 👍
#aksgmbntech
Hi, what are you thinking of hot waxing your chain. I see a lot of video's of hot waxing chains but they are always speaking about road bikes. Dont you this there's a advantage compared to normal lubricants on mountain bikes. No dust or mud sticking to the chain.
#askgmbentech . How do I find good deals in the used bike market?
Pinkbike
Doddy is definitely still with GMBN as he’s been tagging them in his recent posts he also put a new helmet day post up with his new smith lid and goggles, he also commented he had just been having time off on insta, so guessing he will be back soon Anna is doing an amazing job as well!
nice save there at the end...
A bar of soap... In the shower😜
More spacers
higher spacer would save you lots of weight unless if you want higher rise than the steerer allows.
Where the hell is Doddy? I appreciate everyone has their own opinions and tastes, but I personally only tune in to watch Doddy explain this stuff, where has he gone? I truly hope everything is ok with him and his family, the show need to get him back asap
#whereisdoddy
I figured its the same when building my last bike and went with more spacers and flat bars. Feel like an idiot that the reach thing never occurred to me. Since I run a shorter stem then the bike would have came with as well I probably moved my bars quite a bit closer, maybe I should get some riser bars and slam the stem. Interesting...
So the easiest solution to the techical problems caused by the derailleur on top would be to just pedal backwards?
Doddy?
He's left .
@@knott4me561 he hasn’t
Big 29ers in that shirt
#askgmbntech BMB stem Raised reversed stem
Rider aera distance
Lolz.. Bike specific brake cleaner. Forget that. Everything auto is half the price of bike specific products that are the exact same thing. Look at dot fluid and brake cleaner. It's all the same stuff. You just pay twice as much of it says bike. Don't do it!
Where is Doddy? It's all very hush hush.
NEVER had a problem 'contaminating' my rotors washing my bike with diluted car wash. Just don't target them.
I have a suspicion that you did and are unaware of it. Contaminated rotors will LITERALLY NEVER feel the same. Inexperienced this first hand recently and it's both wild and annoyng AF that the 65 bucks my avid rotor cost technically already went down the drain.
Isn't it obvious that Doddy has gone to Sea Otter?
Plunk down $400 and by the BeMoreBikes RR stem already. And then give us a legit review.
It's a rider's prerogative....
Short answer to everything; it's a bike, not a $%%%&!! nuclear reactor. Try whatever you want...
Who’s dooty ? The only dotty I know is peewee Herman’s girlfriend so who is this dotty you all speak of?
Don't care, where's doddy?
He's left the channel
@@knott4me561 was posting pics from tech set today it seems.... Curious!!! 😜
Or just so no too both. If you want taller handle bars, buy BmX style. Sometimes older is better
Been riding high rise bars my whole
Iife, and I have never cut down a steer tube to be "flush" with the stubby small stem, looks crap! Feels crap! Don't care what the current trend is. Trends are for the weak
Alpha silverback right here ✊🏼
#WhereIsDoddy