Does A Gravel Mullet Drivetrain Really Work? - SRAM Road Shifters & Mountain Rear Derailleur
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- Опубликовано: 4 окт 2024
- So how do you get the range of a modern 12 speed mountain bike with 11 speed road shifters? A mullet drivetrain! In this video I'm looking at one way of getting wide range mountain bike gearing to work with road shifters on my gravel bike.
-- BIKE SPECS DOWN HERE! --
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Bike Spec & Product Links
Sizes: 21"
Frame: 2015 Dolan Multi-X Aluminium
Fork: Planet X Carbon Fibre
Headset:
Bottom Bracket: SRAM GXP : amzn.to/40tCyNP
Crankset: SRAM Apex 1 : amzn.to/41sBCuq
Pedals: Shimano SPD
Freewheel: Sunrace CSMX80 11-50T 11 Speed : amzn.to/3L3AdDy
Chain: SRAM PC1130 11 Speed : amzn.to/3LlK9tE
Shifters: SRAM Rival 1 11 Speed
Rear Derailleur: SRAM SX 12 Speed
Converter: JTEK Shiftmate 9
Brakes: Tektro 930AL Mini V
Brake Pads: Clarks Triple Compound
Handlebar: Specialized
Stem:
Grips: Prologo Double Touch : amzn.to/43O5KSy
Hubs: Campagnolo CX
Spokes:
Rims: Campagnolo
Tyres: Vittoria Terreno Dry 700c x 32c : amzn.to/3Lo0caf
Saddle: Charge Spoon : amzn.to/3LoyjPu
Seatpost:
Seatpost Clamp:
Paint: Original
Decals: Original
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Using the ruler on the derailleur alignment tool is just genious. Also the ultra wide angle making it look like you are riding on a tiny globe was cool. Good stuff
Experimenting a bit with the Insta 360 ☺️
Thanks. It’s so much easier than using that stupid pin and o rings it comes with. Plus… it fell apart and I lost them anyway 😂
I love that someone did this. Anything I can find on doing this budget wise is non existent. Everyone is using the XX Eagle stuff which will bankrupt me. Thanks for doing this!
Glad it was helpful! Russ at Path Less Pedalled has a few videos on this showing a few more options too. Might be worth a watch.
My mullet setup is a 650b in the rear to get a fatter rear tire. You can usually get up to 700x 50 mm in the front of any gravel bike no problem, but in the rear, it takes a 650b wheel to get one to fit. I've noticed it's faster due to the wider tire, more agile in tight turns, still rolls over everything due to the large front wheel, improved low gearing, and improved geometry for descending at higher speeds. Love it.
Good to know! Running ‘mullet’ drivetrain too?
I really enjoy the atmosphere of the videos. Music was a tad louder than the voice audio, but the visuals are now consistently stylish. A far cry from the noisy, involuntary camera zoom😊.
I'm also in the market for used Sram drivetrain components, i want to try dropbars on an old hybrid.
This has helped my research.
Oh sheesh. It’s been years since filming without a tripod and constant zooms and focusing 😅 Noted on the music though. I’ll pay close attention next video.
I'm glad you did this, I tried building my own gravel bike out of what I had lying around was scuppered by the road shifters refusing to sync with the MTB drive train! Now I know why and how to fix it! Thank you.
I think there’s a few different Shiftmate’s so the exact one needed will vary depending on setup. Worth a read up on them though.
Yes, I stumbled across this solution a few years ago and built up a bike like this. It worked flawlessly for me :). Unfortunately I don't have the bike anymore (I own too many bikes and if I feel like I have too many similar ones, the one I use the least has to go, which unfortunately was my Specialized Awol back then). If I remember correctly I used a big 11-50 cassette and it worked perfectly fine. The biggest cog in the back was a bit finicky to adjust in the beginning, but worked out great.
Always good to know! Thanks.
Oh snap thanks for the shout out❤ this video ruled
Cheers Barret!
This channel is so precious to me
Good info never got into the gravel thing enjoy the week😎
Thanks Murphy.
I was literally asking myself where is the cat and then boom the cat appears!
Pretty neat demonstration of what can be done. We live in a world with so many ways to option out a bike now. There’s really no excuse to not have a bike setup the way someone wants.
Hate to nitpick but I noticed your tire wasn’t fully round. It’s possible it’s not fully seated and could benefit from some soapy water on the beads.
Good spot! I didn’t notice until I was out in the ride. Those tyres were so damn right to get on 🤦♂️
Look at that dinner plate on the back of that thing. Awesome!!!!!!!! Got my new gravel bike coming, Rival / GX AXS mullet baby. Front derailleurs are like drilling a hole in your head to let the evil demons out when you get sick. 1X forever!!!!!!!!!!!!!!!!!!!!
How's that setup working for you? I've been looking at that for my new gravel rig whenever that gets finished.
You certainly got to grips with accomodating the big cassette
Yeah I’m glad it worked out!
Your Raleigh B0mber (have to censor it or else RUclips deletes my comment) videos inspired me to get one myself. Got one from 1982 with some bright yellow BMX grips that were probably put on it in the 80's. Promptly took them off and replaced them with some nice cream bvllet (have to censor that too) style ones. Got some reproduction Chopper Mk1 pedals coming for it too (the platform style ones with the chrome bands around them). Also got a different saddle coming for it. It has those upside-down cone looking springs underneath the regular ones. I'm glad I found it on Ebay because those type of saddles are rare as hens teeth over here (in America you can literally pick them up from Walmart lol). As you may have guessed, I'm going for more of a pure cruiser build rather than a klunker build. It'll be the perfect bike for cruising around parks and along the canal this summer. Can't wait. Bring on the sun! 🌄😎
RUclips deletes comments for that?! Damn I didn’t realise. Nice! I have to admit I enjoyed my klunker build more than the restoration. It’s a super relaxed bike but the modifications made it a bit nicer to ride. How’s the chain guard on yours? Still in one piece?
@@MonkeyShred Yeah. The censorship is real on here nowadays. And yeah, chain guard is intact. Rest of the bike wasn't in great shape when I got it though. Sanded and polished the handlebars, but there's still loads of tiny rust spots on them. I'm not too fussed though. I don't mind a bit of patina. The main problem I have with the bike is that it's stuck in second gear. Gonna put some oil in the hub and where the toggle chain attaches and see if that fixes it.
I converted a Sram force mechanical 11 speed shifters to 12 speed using Ratio Technology conversion kit. Cassette is a 9 to 50 ethirteen on sram XDR dtswiss rear hub. The rear derailleur is a sram force with a garburuk derailleur cage to make the sram force compatible with the 50t cassette. I did in the past just use a sram MTB derailleur, but you just need to use ratio technology’s adapter for the derailleur to change the cable pull, but with the force derailleur you don’t need this.
The system actually runs smoother than srams original 11 speed ratchet in the shifters, the 12 speed ratchet that you put in the shifter is much smoother.
I used this system on my Kinesis gtd load distance road bike. However you can use the same system for a gravel bike. It’s all the same. I’ve been out with ‘traditional’ road riders and they are surprised how a 1x road bike can work just as effective as their 2 x systems.
👍👍
I've seen those 12 speed ratchet kits before. Look interesting. Glad to hear they work well.
that's a nice, neat set-up
trippy camera angles though 🙂
The Insta 360 is an interesting bit of kit! I like the angle potential with it.
I was also not happy with the jtec cable routing, so i bought a rival derailleur and changed the cage from the sx mtb derailleur to the rival derailleur. PLP did also a video on this.
Yeah I saw that one too. I’ve seen you can just switch the fins over too. It just means finding a scrap rival derailleur and translating it on to a GX or similar.
So my experience. I have a sram rival 1x11 shifters, it doesn't different from the 2x11, and of course it was pai with 1 rival 1x derailluer (11x42 cassette). If you have the rival 1 or force 1 derailluer you can take the plastic shark thin where the cable attaches and install it on a mtb 1x11 derailleur in this case x1,x01or xx1. And that is what i did and you can install it direct with the cable pulley as long as you atache a cable barrel on the housing. I also mixed a shimano xt cassette 11-42 (11 speed) with a 11 speed ultegra (xtr or dura ace you can't because the cogs ar pinned ). So now i have a light derailluer sram xx1 paired with a 11-42 (11-12-13-15-18-21-24-28-32-37-42) a sram xx1 chain, the best driveterain i ever had, and some parts were second hand, so also very cheap.
There's a clutched derailleur by Sunrace that works with any shifter with the old 1.7 pull if anyone wants a 7 to 10 speed mullet setup. It's the RDM900, running a 11-46 9 speed cassette at the moment, but the idea is i would be able to go 10 speed if find a old 10 speed road shifter.
I think Microshift do similar too 🤙
Nice! For 10s brifters, you can use Sensah Phi (same cable pull as tiagra 4600). Im using Sensah Phi Shifters with deore m592 (old 9s one), and this gave me a nice 2x10 drivetrain.
Fun fact: the SRAM 11sp ROAD shifters ALSO work fine with the GX 10sp rear derailleur, since both are 1:1 pull ratio. I have several friends who run this setup (i.e. SRAM 11sp ROAD shifters, 11sp cassette, GX 10sp rear MTB derailleur). Also, you can allow the GX rear derailleur to work with larger cogs by using a simple Wolf Tooth (or similar) Road Link extender. You could have accomplished the same setup WITHOUT the J-Tek just by keeping the GX 10sp derailleur on there and spacing it down with a road link. I currently have an 11-46 cassette on my gravel bike that's using a GX 10sp derailleur and Road Link extender. I haven't tried it, but it looks like a 50 would go in there as well (I don't need that since I'm running a double on the front)
Ah ok. I’ve used one of those links before but didn’t get on well with it. Shifting was a little vague in the smallest cogs to centre because of the added distance between the jockey wheels and cogs. See how it goes though.
@@MonkeyShred No worries. It works fine for me, and YMMV ;-) ...and really whether or not it's needed is somewhat dependent on the dimensions of the hanger itself. For example, I have a custom steel road bike frame that I use 10sp SRAM shifters, GX10 rear derailleur and an 11-42 cassette, with no extender needed.
Very cool to see! Two quick questions:
- what's that handlebar bag? Seems cool and I'd like to get me one of those
- Is there a difference in stopping power between mini-V's and regular V-brakes?
Mini V-brakes cable pull length is compatible are suitable with road shifters. That's why.
Thanks! The handlebar bag is made by CamelChops 🤙 Vs and mini Vs are about the same. It’s just normal Vs don’t work too well with road levers because of the difference in cable pull.
Thank you!!!
You're welcome!
Sultan Achievement: Time of day, not given.
Not sure I understand this?
@@MonkeyShred I was trying to be clever by describing your Cats non-reaction when you called his name. Maybe I heard that wrong.
as long as their pull ratio matches each other, there is no problem
Well. That goes without saying 😂 Unfortunately as I said - mtb and road no longer match.
@@MonkeyShred 'just to inform that my mtb 9s RD shimano Alivio and China's Ltwoo A5 9S drop bar shifter goes together flawlessly for my gravel (11-36t with FSA 44-24 carbon crank set) ...24 is my granny
What's going on with the handlebar tape at 12:54? Really cool vid though, I need this type of mix and matching and how to deal with it to learn something new about bikes!
Ah ha. Yeah somehow it got caught under the hood and I only noticed when filming. Not sure how because the hoods were pulled back when wrapping but hey ho. I’ll get a pick and ease it out.
hi torvey!
She says Hey right back!
Could you turn the Shiftmate around and run a longer loop of cable, similar to how the cable enters a Sram road mech? The routing you have now has some fairly sharp bends which won't be helping.
Like turn it so it points up? I did have a look that way but it still creates quite a tight bend.
@@MonkeyShred couldn't you just splice it somewhere in the cable run? I recon it shouldn't matter where you put it, as long as it's in there somewhere. I saw Russ from PLP having similar issues.
@@MonkeyShred Yeah. It may not work, but at 7:20 that bend in the cable looks horrible, if the bend is any less tight with the Shiftmate flipped then it would help the shifting.
@@chrispugh88 I’m thinking I might just need to trim the outer a little more to relax the bend. I agree though. I don’t like it that much as it is.
You can just buy sensah Srx pro 1x11 derailleur and use it without any jtek finicky, its work with sram 1.1 and with 11-52 no problem))
Another UO8 bites the bin.😂. Good luck with parts.
UO8? I’m not sure I follow. The only UO8 I know if an old Peugeot
Sorry wrong video 🥴
52 teeth on this bike is "over the top" by several hundred feet
It’s a 50T but go on… why is a wide ratio over the top?
Why everybody hates the front mech!?
Who hates the front mech?
@@MonkeyShred Well, everybody that goes 1 by
@@docmccoy9813 you’re going to have to try and logic that out more. You know a 1x drivetrain was technically the original drivetrain right? Sturmey Archer, 3 speed, 4 speed and 5. I have more bikes with a front mech than without though.
@@MonkeyShred The problem is 1) cross chaining and 2) stupid giant cassettes. That obviously doesn't apply in those cassettes you mention. 1 by may make sense in an mtb frame that doesn't allow a front mech, but in a road bike is plain stupid: you need a big chainring to reach at least 60 km/h without pedalling like a mad man and, therefore, you need a 52 tooth cassette (also a long cage rear mech). Nice way to save weight to make your bike look clean. For those who can't understand how to operate a front mech I have no answer.
@@docmccoy9813 60kmh / 37mph. Who the hell is riding that fast 😂 Seems to me you’re only riding down hill.
Everything has its place. One by, double, triple and quad chainrings. One by is great. Clean and simple. Front mechs are phasing out but still have their place. They’re not exactly hard to use either 😉
I'm curious about the ZTTO cassette, is it any good? It lasted you a while so must be at least _ok_
Yeah it doesn’t seem to be too bad. I’ve probably put somewhere between 1500/2000 miles through it. I stopped using Strava for a good while so I’m not sure on the accurate mileage.
@@MonkeyShred ok good to know, my Sunshine CZ one literally fell apart [and cracked] so definitely avoid them.
Changed out exactly the same set up as you and after also watching a few path less pedaled videos I chose the GX eagle derailleur, ratio cable fin mullet, a bit fiddly with the circlip but otherwise the cleanest look I’ve seen on a mullet build, I also paired it with rival mechanical levers and put the same sunrace cassette on. Thought you made a clean look of the jtek compared to others I have seen.
Ah nice! I saw that option too. Also there’s a company that sells a 12 speed ratchet conversion for the shifters with that fin. Curious to know how that works. Maybe some time in the future 😅
@@MonkeyShred same company, ratio technology, I think. That seems a tad too advanced for me.
Are you going to change the body to XDR if you are going 12speed?
Nope. You can get 12 speed cassettes for HG free hubs. I’ll be building my own wheels for the 12 speed build though so those hubs will either be micro spline or XDR.
@@MonkeyShred Thanks i didnt know that! Do you have any examples of 12 speed HG compatible casettes? Im also thinking about going 12 speed but would be a huge saver if i dont have to swap out the hubs or freebody :)
@@kaazedd SRAM NX is available in HG. I’m sure that’s what I used on my Cove. Could have been GX too.
Just one thing....
How come no one realizes, the more cogs and the bigger in the rear...
The smaller they go in the front. 🤔
Mathematically speaking is no different than 7 x2
Not exactly true. It completely depends on the ratios you’re running.
@@MonkeyShred
I recommend you do the math.
@@1a2b3c4. well ok, you’ve got 2x7 so old roadie bike gears. 52/42 front and 12-26 rear. The lowest gear would be 1.61 ratio. I’m running a 42 front and 11-50 rear with a lowest gear ratio of 0.84. I’d say that’s VERY different for what is needed.
Mullets are junk and nobody can tell me different
Thank you for your valuable contribution. :) jog along
ok Jonathan
Ah you’ll get used to Jonthan. He has very specific taste and he lets you know about it.
the best gravel bike is an enduro bike
And the best enduro bike is a fixed gear running 23c tyres 🤙🤙