Questions tagged [drivetrain]

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

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1answer
512 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 ...
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1answer
65 views

Is the Shimano SL-M590 shifter compatible with XTR RD-M900 rear derailleur?

Shimano is known for making their high end components incompatible with their lower ranges (e.g. dura-ace 7400). How do they handle this on their mountain bike range? In my case, I'd like to run a RD-...
5
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1answer
93 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 ...
17
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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 ...
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2answers
81 views

Drivetrain 2x conversion to 1x

I wish to know more about converting a 2x to a 1x, especially the Force AXS eTap group set. I currently have a double chainring, but want to ditch the Front Derailleur and go to a single chainring. I ...
32
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2answers
15k views

Why does pedalling backwards not move my bike backwards?

On the Mountain bike I have, pedalling backwards moves the chain but doesn't drive the wheels of the bike backwards like you would expect it to. Why is this?
4
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3answers
6k views

What's a good, reliable mountain bike drivetrain (1x10?)

I'm thinking about switching my Salsa El Mariachi 29er mountain bike from singlespeed to gears. I love the reliability and simplicity of the singlespeed, but I've been doing more rides that involve ...
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3answers
4k views

How to choose between 10 speed vs 12 speed drivetrain on mountain bike. Pros and Cons

I'm buying a mountain bike from a company that lets you choose the drivetrain. I am having trouble deciding whether to go for a 1 x 10 speed Deore option (11-42) or a 1 x 12 speed SLX (recently ...
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1answer
65 views

Convert 2019 Giant TCX Advanced Pro 2 1x to 2x

I'm looking at a 2019 Giant TCX Advanced Pro 2 which was sold as a 1x. I have a Shimano 2x groupset laying around and would love this bike as a 2x. Based on this image from this sold listing, it ...
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3answers
4k views

Shimano 8/9/10 speed freehub conversion to 11 speed does not appear possible due to changed spline pattern

After remaining unchanged (with a few exceptions like FH-7801) for nearly 20 years the Shimano freehub body spline mount has changed along with the width. I had hoped I could refit a 8/9/10 speed ...
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1answer
81 views

Clank when starting to pedal

Recently I noticed that my bike makes a loud clanking sound when I start pedalling, both from a stand still and after freewheeling. If I remember correctly the problem started after I washed the bike, ...
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3answers
966 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 ...
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1answer
105 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 ...
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4answers
2k views

Independent drivetrains on tandem bicycle

On a standard tandem frame, is it possible to build a tandem bicycle with independent drivetrains for the two riders? Is there a custom frame builder that would build a tandem like this? I'm aware of ...
0
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1answer
124 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 ...
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7answers
29k views

Parafin wax vs wet lube for bike chain lubrication?

So im thinking of waxing my chain (with parafin wax) what would the advantages of this be over wet lube (i use muck off). Anybody have any experience with waxed chains? Thanks.
3
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1answer
58 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 ...
1
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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.
6
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2answers
654 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 ...
5
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1answer
166 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: ...
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1answer
53 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 ...
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1answer
121 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 ...
3
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1answer
90 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 ...
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3answers
172 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 ...
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1answer
200 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 ...
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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
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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 '...
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2answers
226 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 ...
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2answers
222 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
1
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1answer
166 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 ...
9
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2answers
232 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 ...
60
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6answers
106k views

What are the pros and cons of internal gears?

I've had my hybrid 24-speed for a bit over 3 years now, and just last weekend, when looking for a bike for my wife, discovered internal gears. Suffice to say it blew my mind when I saw 7-speed ...
6
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2answers
486 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-...
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1answer
228 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 ...
3
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2answers
3k views

Can a 10-speed chain be used with a 9-speed cassette?

I have an extra 10-speed chain I would like to use with a 9-speed cassette on my mountain bike. Will this combination work ok?
4
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3answers
395 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 ...
1
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1answer
156 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
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4answers
20k views

SRAM xx1 1 x 11 drive train very noisy

I have a 1 x 11 drivetrain setup on my mountain bike. This is stock from the factory, it wasn't a conversion. When I'm in the low gear climbing, there is a lot of chain/derailleur noise. It gets ...
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0answers
42 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 ...
7
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4answers
15k views

Can you use a SRAM 10-speed Powerlock with a Shimano chain/drivetrain?

I just bought a pair of SRAM Powerlocks for 10-speed chains. The packaging says that they can only be used with SRAM chains. Will anything nasty happen if I use it with a Shimano chain and cassette?
3
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1answer
138 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 ...
3
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2answers
192 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) ...
5
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1answer
85 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 ...
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2answers
6k views

Is there a downside to spoke protectors?

A few weeks ago, the derailer on my touring bike caught on the chain and ripped itself off the frame. (See the link below for more info on the incident.) The spoke protector was cracked in half by ...
3
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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
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1answer
70 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 ...
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4answers
586 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 ...
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2answers
447 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-...
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2answers
52 views

Crankset identification

Does anyone know, which exact crankset is pictured below? It came shipped with a Bike Friday NWT (New World Tourist)
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3answers
221 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 ...

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