Questions tagged [drivetrain]

Questions about a bicycle's drivetrain system, including the chain, gears, chainring, derailers, etcetera.

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6
votes
3answers
954 views

Is sanitizer an effective degreaser?

Thanks to COVID lockdowns, things are shut and I'm anyways miles away from larger market areas. What I do have is litres of sanitizer, the kind that is watery in consistency (not gel-like) and is ...
1
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1answer
90 views

Premature chain wear GX Eagle

After 300 km GX Eagle chain is at 0.5% wear which indicates to me I have to buy a new chain? Is this normal? How to prevent it or advice for better chains? I mostly drive MTB in the woods in Belgium ...
0
votes
1answer
113 views

Best solution for 2x8 index shifting [closed]

I've been riding a pretty well-tuned frankenbike (I call it the argos, I've had it for 15 years) set up with claris 2x8 shifters (r2400) and dura ace (7700) derailleur on the back with an old ultegra ...
3
votes
1answer
38 views

Can a 12 speed Shimano micro spline cassette be used with SRAM Eagle 12 speed components?

Is it possible to use a Shimano 12 speed micro spline cassette with a SRAM Eagle 12 speed chainring, derailleur, and possibly chain? Or are there any incompatibilities, such as a Shimano chain also ...
14
votes
9answers
2k views

What would happen if I don’t replace worn drivetrain components?

What would happen if I took a entirely new drivetrain and just never replaced anything? Of course, I’d keep it clean and lubricated. With 11 and 12 speed chains being as expensive as they are, the old ...
6
votes
2answers
628 views

Converting 3*7 speeds to 1*12 or 1*11

I have a 3 * 7 Shimano set. I would like to change this into either a 1 * 12 or 1 * 11. How much would the conversion approximately cost? I am new to the biking world, so forgive me if I am saying ...
0
votes
1answer
50 views

Drivetrain problem!

I have had issues with the drivetrain on my bike. I believe I've pinned it down to two issues. The Shimano Deore XT SGS (long cage) 9 speed rear derailleur needs replacing. It was either damaged when ...
4
votes
0answers
63 views

Clicking in a certain gear with SRAM drive train

I have a new bike with exactly the same problem and same drivetrain (SRAM GX) as shown in this video: (not my video). When pedalling with the chain on the 5th smallest ...
3
votes
1answer
75 views

Clicking noise from drivetrain under load

So when I pedal under high pressure, one crank arm loudly clicks one time at position 1 or 2 (non-repeatable click) and when I continue, the other arm does the exact thing at the same position. The ...
1
vote
1answer
46 views

Driveline Bottom Bracket

I am thinking of replacing my Shimano Deore Bottom Bracket SM BB52 with a Driveline X Type instead.I want to know whether it is compatible to do so before I proceed. Thanks, Louis.
0
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3answers
159 views

Custom/modified Drivetrain 2x/3x Considerations and Planning

Planning a drivetrain setup for a new bike: Currently running old Shimano 3x9 44/32/22t on 11-34t, which gives me 19-115 gear-inches (about 620%). I used 29x2.0, 170mm crank to calculate my current ...
0
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0answers
37 views

Creak source suggestions

I have a creak from my carbon frameset Cervelo R3SL with full 1osp Duraace groupset and external hollowtec II BB. I have isolated it to drivetrain as creaks when out of saddle or none handed. I've ...
18
votes
8answers
4k views

What if both wheels were powered by pedalling?

Only the rear wheel of a bike is connected to the drivetrain in order to propel the bike forward. I assume the choice of rear wheel instead of the front wheel is for stability (e.g. avoiding '...
2
votes
2answers
150 views

Change Shimano Ultegra R8000 crankset

I'm considering getting a Canyon Endurace which use a 52/36 Shimano Ultegra R8000 crankset. As I plan using the bike for long, multi-days ride it would make sense for me to have an easier ratio. Is it ...
0
votes
1answer
282 views

Is the Shimano TX-505-8 rear hub compatible with 11-speed cassettes?

After recently changing my bike's entire transmission, I noticed that when on the smallest sprocket, the chain is rubbing against the rear derailleur (right next to where the derailleur is attached to ...
9
votes
2answers
212 views

Why are cassettes replaced more often than front chainrings and derailleur jockey wheels?

On a bike there are three kinds sprockets that the chain comes into contact with: the chainrings, cassette, and derailleur jockey wheels. It seems that the standard practice is to replace the cassette ...
1
vote
1answer
131 views

Can I use a 3x10 or 2x11 front derailleur on a 3x11 drivetrain?

I recently started changing the drivetrain on my Trail 6 (2020) and I wanted to jump to 3x11 from the 2x9 mixed Altus/Alivio it came as stock. My mistake was not paying attention to the type of pull ...
6
votes
2answers
461 views

How do I properly torque a track cog lockring?

I see a torque rating is stamped onto a lot of track cog lock rings: However, I cannot find a way to use a torque wrench when tightening the lock ring. All the tools I've found, like Park Tool's HCW-...
1
vote
1answer
140 views

Can I switch to a new type of bottom bracket?

The bottom bracket on my MTB (Cube Analog '17) needs to be replaced, my local bike shop said he didn't have the required piece: a square bottom bracket 115 x 73mm. Since I can't find this type of ...
1
vote
1answer
150 views

Clunking noise only when pedaling at higher RPM not low RPM. Video of Issue linked

Bicycle Type: Gary Fisher Marlin Mountain Bike with 3x9 drive train. Issue Description: When pedaling, there's a clunking noise emanating from what sounds like the cassette & hub interface but ...
1
vote
1answer
104 views

Older Shimano Ultegra Shifter compatibility

I have an older Shimano Ultegra Shifter that broke, and I am wondering how I can know what shifters are compatible with the gear set as a replacement? My broken shifter is on the right side and is a ...
1
vote
1answer
110 views

Which chain should I buy to replace the one on my Specialized Rockhopper 2016?

I own a Specialized 2016 Rockhopper Expert and the chain is slightly twisted and needs to be replaced. This bike has 10 rear gears and 2 front gears. The specifications indicate the chain is a "KMC ...
4
votes
3answers
332 views

Friction shifting 9 speeds using an 11 speed rear derailleur

I am interested in running a 1 x 9 drivetrain using an 11-speed Shimano 105 R7000 rear derailleur. If I'm friction shifting 9 speeds, will using an 11-speed derailleur cause issues? Or is it as simple ...
0
votes
0answers
41 views

Possible drivetrain problem?

I recently bought a bike and upon riding it and coasting for a relatively short time I heard a noise that sounded like the chain sort of clicking louder than the freewheel, then eventually the chain ...
1
vote
2answers
197 views

Trek Mamba 2013. 1x11 upgrade

I would like to know if it is worth and possible to upgrade a 2013. Trek Mamba from a 3x9 to a 1x11. Rear hub: Formula DC22
3
votes
1answer
90 views

Do I need a medium or large cage rear derailleur?

My SRAM x5 rear derailleur got caught on something and broke. I went to order a new one and learned there are different cage sizes. I don't know which size cage I currently have. While trying to ...
5
votes
1answer
84 views

Wear marks on chains

I am generally using SRAM chains with a powerlink. For a new chain there is no indication of a preferred pulling direction or inside/outside. If we demount a used chain that has never been taken off ...
3
votes
2answers
158 views

Shimano Nexus with shift levers

Shimano Nexus usually comes with a twist shifts. Is it possible to also use shift levers with Nexus? Which ones? More concretely, Shimano Nexus C6000 Revoshift (8s) (hub) and Shimano Alfine 7000 (8s) ...
3
votes
2answers
269 views

Do I need a new chainring?

Here's my setup: It runs great. But the chain is a little rusty. I measure the chain wear and it looks like about 1/32 of an inch over 12 inches. So not much, right? But chains are cheap so I try a ...
3
votes
1answer
66 views

Cheapest and safest way to clean MTB drivetrain?

I've got a CUBE Attention MTB which has been serving me well, but out of a lack of knowledge I never bothered to degrease the chain before relubing it, so over time there has been a build up of gunk ...
2
votes
4answers
517 views

Options for adding lower gearing for bike with Shimano 105 drivetrain

I have a 2015 Salsa Vaya 2 with a Shimano 105 drivetrain. It has a Shimano 105 Triple front derailleur with a 30/42/52t crankset. In the back it has an 11-30T 10-speed cassette (installed for me by ...
1
vote
2answers
313 views

Going from 2x8-speed to 1x11-speed

I bought a beginner bike with a 2x 8-speed Shimano setup a year ago. I am looking to upgrade, now that I am getting more in to cycling then expected. Since I live in a really flat area (when I go on 3-...
1
vote
2answers
51 views

Crankset identification

Does anyone know, which exact crankset is pictured below? It came shipped with a Bike Friday NWT (New World Tourist)
1
vote
3answers
152 views

9 to 11 speed partial groupset upgrade? Is it possible?

I have a Shimano Sora 3500 full groupset (FD 50-34, Crankset 170mm length with BB RS500 (BC1.37 x 24), Sprocket 12-28) on my road bike. I want to make a partial upgrade to 105 set due to my budget ...
1
vote
2answers
194 views

Single speed chain alignment

I have a seasoned 26" Dirt Jump bike where the time has come to replace the bottom bracket. The bike currently has Profile BMX cranks, with a single speed rear wheel (not an MTB freehub). Current BB ...
1
vote
1answer
186 views

How do I move my chainring without moving my crank arm?

I recently did a 1x10 conversion on my mountain bike. I replaced almost everything on my drive train except for my crankset. The single chainring (104 BCD, 34T) fits onto my drive-side crank arm in ...
0
votes
1answer
151 views

Chain crunching after degrease and lubrication

I did the usual degrease and lubrication on my mountain bike today but when I tried to ride the bike later on I heard pretty bad crunching sounds. The sound is definitely coming from somewhere around ...
5
votes
1answer
160 views

Chain slipping off from singlespeed rear cog

After I have worn out the cogs and chain to the point where my chain tensioner couldn't keep up anymore, I have replaced my drive train pieces, the axle and spacer are still the same. So I went from: ...
1
vote
1answer
64 views

Are all chainring compatible with all chain?

I want to change my drivetrain on my bike and i found everything except the chainring. So I was wondering if I could choose any chainring. Thank for yours response.
5
votes
2answers
685 views

Switching a 11 speed cassette+wheel with a 8 speed freewheel+wheel. Any compatibility issues?

I'm trying to get a pair of training wheels to swap out for my race wheels. I dug up a pair of freewheel compatible wheels and I'm trying to buy freewheels now to fit the bike. The bike's drivetrain ...
2
votes
3answers
4k views

10 speed chain on 11 speed cassette

Recently I installed an 11 speed cassette and shift levers on my road bike (105 R7000), but I kept the 10 speed chain that I have. It sort of works fine but on the third cog on the back the chain ...
3
votes
1answer
787 views

Bike trainer 11 speed cassette compatibility with Ultegra 6500 9 speed groupset

Disclaimer. I don’t know much about bike mechanics. I had to do a lot of reading just to be able to name things right and to be able to write this post :) I bought Elite Suito bike trainer a few days ...
1
vote
2answers
741 views

Upgrade 1x8 drivetrain

I have an Orange 2017 Diamondback Hook that came with an SRAM 1x8 drive-train. I'd like to upgrade it to increase the range. What are my best options? Thanks!
0
votes
2answers
99 views

Deore FC-M615 single 64 BCD chainring

I want to build a 1x9 drivetrain MTB so I'm wondering if I can set this FC-M615 crankset to a single 64 BCD 28T chainring, from what I can see the XT M8000 is compatible and allows 11-speed cassette ...
3
votes
2answers
165 views

Chainring just don't know when to let go

My chain needed to be replaced for half a year ago and I've finally replaced it. But after replacing it, I've notice a lot of clicking noise from the chainring area. and when I go check it, I saw the ...
18
votes
4answers
8k views

Why do people use bigger cassettes for lower gearing when they could instead use smaller chainrings?

I want lower (sub 1:1) gearing on my next drivetrain but also a decent range, reasonable spacing between gears and still be reasonably light. While looking at different combinations of components, I ...
0
votes
2answers
182 views

Crankset and derailleur

Iam checking out my mtb for it's parts. How do I be sure, for the cage length is the right one, if the differnce between the large and the small at the rear is from 42 to 11, and from 36 to 26 at the ...
3
votes
3answers
192 views

Cage Length (Rear Derallieur) and Total Capacity

My drivetrain required total capacity is 14. (folding bicycle Dahon Eco C6, 14-28 rear, 1x front) The rear derailleur (Shimano TZ50, which I purchased), has total capacity = 34 and a long cage. Are ...
2
votes
1answer
107 views

What parts of 12-speed drivetrains are compatible between brands?

Now that Shimano has released their own 12-speed MTB drivetrains (SLX and XT), I have the following question: What parts of these drivetrains are compatible between Shimano and SRAM? I would guess ...
2
votes
4answers
606 views

How important is it to clean your drivetrain?

For the first time in my life I took the time to properly clean the drivetrain of a bike. How proper it was might be debatable, but for the first time I saw that the gears are not actually black. I'...

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