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

1
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3answers
34 views

Marin Fairfax Alp 2011 - Can I fit a 11-32t Cassette

I currently have a Shimano LG50 12-25t 8 speed cassette and am finding it a real struggle on steep hills - I am around 13 stone (82kg). This is the first time I have looked at changing the original ...
1
vote
2answers
56 views

Ultegra 6510 shifter broken - upgrade to 10 speed?

My Ultegra 6510 9 speed right shifter broke. The screw holding shift lever to the back of the break lever popped out taking the threads with it. I don't know what the root cause of the problem but I ...
2
votes
3answers
164 views

How long can I safely use a chain for?

My chain is well over the 0.75% extension at which I would normally replace it. However, the cassette and chainrings are also old enough that a new chain would slip on them, so they would also need ...
0
votes
2answers
74 views

Would a IGH drive train last longer than a derailleur drive train?

Would a single sprocket + 8 speed chain + single chain wheel used in combination with a IGH last longer than a 10 speed cassette + 10 speed chain + 3x chain wheels? Image I have 2 bicycles. Bike 1 ...
3
votes
3answers
480 views

Can a 21 speed Shimano Tourney groupset get converted into a 7-speed?

I currently ride a 3x7 Tourney bike, which I’ve upgraded moderately and it is riding nice. I’d like to know if I can somehow replace my 3-crankset for a simple one, and also get rid off the front ...
2
votes
1answer
152 views

Sora R3000 STI shifters compatibility

Are the new Sora R3000 STI shifters compatible with dura ace 7700 brakes and derailleurs? Thanks
2
votes
3answers
134 views

Skipping on new chain, new cassette, new derailleur

For a long time I have been having issues with chain skipping on my 1999 Trek 6500. I took a video to illustrate exactly what I mean by "skipping": Over the last ...
0
votes
0answers
76 views

Why aren't there mechanical energy recovery brakes?

As opposed to electric regenerative brakes on eBikes or flywheel KERS (flywheel = lots of weight) Why is a mechanical solution not feasible? For example: Pull brake lever Clutch on rear wheel ...
1
vote
1answer
51 views

Ultegra on Trek Crockett 5

I have 2 questions regarding the switch to Ultegra. I already have Ultegra 32 cassette on my Trek because I build another set of Vision road wheels. Would it be possible to switch completely from the ...
0
votes
1answer
51 views

How to find a fitting drivetrain

I'm currently building up a new bike from a vintage Scott Windriver MTB frame. My plan is to install a Shimano Zee 10-Speed drivetrain because I don't really need more gears in my area, I want it to ...
2
votes
1answer
96 views

Chain Pops When Leaving Cogs

This problem has consumed a lot of time and resources and has yet to be solved. This is a basic Giant Iguana mtb, with a Deore rear derailleur, SRAM 950 9-sp cassette, Truvativ chainrings, Shimano ...
0
votes
1answer
76 views

Mixing Dura Ace 9000 drivetrain with ultegra?

I'd like to mix the DA9K drivetrain (chain, chainrings, front and rear mech, excluding the cassette) with my current ultegra 6800 setup. I dislike the DA shifters, but I'm ready to upgrade my shifting ...
2
votes
1answer
86 views

Fixed gear drivetrain problem

Sometimes, when I put a lot of pressure on my pedals while accelerating or skidding, my pedals "drop" like when your cog is unscrewing. I have a lock ring, so it's not unscrewing. I've recently ...
7
votes
3answers
285 views

Have multi-speed non-freewheeling bikes ever been common?

Prompted by a recent question I was pondering the idea of bikes with variable gearing (derailleur or otherwise) but without the ability to freewheel. Have such bikes ever been widely used? They would ...
0
votes
2answers
63 views

ISO narrow-wide steel chainrings in higher tooth counts >30T

I know Surly, Sram, RaceFace and Wolf Tooth have offerings in small BCD and proprietary fixing systems (cinch & X-sync), but generally only come in one, MTB-range size. Anyone know of a ...
1
vote
3answers
70 views

Installing a new Shimano compact crank on an older bottom bracket?

I would like to know if I could install a new Shimano compact crank on an older bottom bracket that has a center bolt extraction system? Do I need to change the spindle in the bottom bracket? Do I ...
0
votes
2answers
382 views

Shimano Mountain Bike Cassette Comparison

Can anyone explain to me the difference between the cassettes of different MTB Shimano groupsets in terms of value for money and durability? In particular I am interested in the entry level ...
4
votes
1answer
2k views

Replace a 52/36 crankset with 50/34

I'm looking at purchasing a new bike with a 52/36 crankset on a 11-32 cassette. I've grown accustomed to a 50/34 crankset on the same cassete, and for the type of riding I do in the PNW (300-400ft ...
2
votes
1answer
77 views

Will a SLX fit on a Shimano deore 2x10 rear triangle?

Ok so I'm thinking about upgrading to a SLX drivetrain, and I currently have a Shimano Deore Xt 2x10 on my Devinci Troy. The question is whether it is even worth it cause the cassette may be too wide ...
3
votes
1answer
341 views

Can't shift down from 50T with clutch on, but can shift down with clutch off, why?

Can't shift down from 50T with clutch on, but can shift down with clutch off, why? I'm using sunrace 11-50 and XT RD-M8000 (SGS), finished setting up everything for absolutely perfect shifting, then ...
4
votes
1answer
597 views

Gates belt drive: installing larger front sprocket

I ordered a Cube Hyde Race bike with Gates belt drive. I live in an area where it rains a lot, and I use my bike year round, so I was sold on the promise of virtually maintenance-free drivetrain. The ...
0
votes
1answer
142 views

Can you use shimano m8000 replacement cogs to replace Sunrace mx80 cogs?

Can one use m8000 replacement sprockets 11T 13T 15T to replace the corresponding mx80 sprockets? I appreciate the clusters can't be switched due 3 free sprockets and 2 clusters of 4 on mx80 vs 5 free ...
14
votes
2answers
2k views

Why should one clean a chain?

I do understand that this may sound like a troll question but please bear with me. I've always been a maniac about drive train cleanliness until I got a 11 speed bike and realized I didn't want to ...
2
votes
2answers
141 views

Replaced my crackset, chain keeps popping off the small chainring under load

Looking for a little lower gearing on my gravel bike, I replaced the crankset with a FSA Omega with 46/30 chainrings, along with a new bottom bracket & chain. If I stand on the pedals while on ...
5
votes
2answers
3k 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.
2
votes
2answers
149 views

Could I have enough chain retention on a 1X system with just a narrow wide chainring without a clutch?

My bike is a 2017 Fuel EX 5, i am considering converting it to a 1X (pronounced '1 by') chainring. But i am unsure if i will get enough chain retention to stop my chain falling off with just a narrow ...
6
votes
2answers
208 views

How do mechanics test problem that are only happening under load?

My singlespeed bike emits a creaking noise(coming from somewhere in the drivetrain) while I'm riding on it, however it doesn't when pedaling on the repair stand. This question is not about this ...
7
votes
1answer
437 views

Derailleur On A Single Speed

Earlier today, I saw this bike with an absolutely bizarre drive-train. It looks like a single speed, but it has a derailleur on attached to it. The derailleur does not move horizontally, but only ...
3
votes
1answer
79 views

Do 6 speed flight deck shifters exist?

I'm interested in changing my bike from downtube to flight deck shifters, however I'm struggling to find any 6 speed flight deck shifters. I have a suspicion they don't exist. Thanks a lot.
3
votes
2answers
93 views

Replaced chain, now the chain falls onto the small chaining

I rode for a little while longer then I should have with my old chain, so I replaced the old chain and cassette. But now when I ride in the big ring, the drivetrain makes a horrible sound and the ...
0
votes
1answer
725 views

9-speed to 10 or 11-speed conversion [duplicate]

I have a Look KG361 that is built with 9-speed Ultegra. Is it possible to change the drivetrain to 2x10 or 2x11 with this frame?
3
votes
2answers
129 views

Trigger shifters partly malfunctioning

I cleaned my wife's 1999-vintage mountain bike, and because no good deed goes unpunished, I seem to have caused a problem in the process. This bike has a Shimano Deore 9-speed drivetrain with trigger ...
6
votes
1answer
1k views

Will Deore M6000 SGS derailleur work with 42t cassette in 1x10 configuration?

I'm building a 26er 1x10 commuter. I have a 40t chainring and 11-42 cassette. Will an out-of-the-box (no goat link or extra-long B screw) 2017 Deore M6000 SGS Rear Derailleur work with this? Will ...
1
vote
1answer
258 views

Chain is locking up

This only happens in my granny gear going up hill, just started too. I am pedaling up a steep hill and the pedals suddenly stop, obviously the chain is jamming somehow. The first time it did this I ...
1
vote
2answers
117 views

Difference in Chain Types

What is the difference in chain types, some say 11 speed, some say 9. Is the only difference length, what would happen if i put an 11 speed chain on my 9 speed cassette ? thanks.
3
votes
1answer
214 views

Can I replace 11 speed 11-40t with a 11-42t or 11-46t staying with Shimano XT family?

Can I replace the 11 speed 11-40t cassette with a 11-42t or 11-46t? What other parts will be needed to complete job? I.e. new chain, long chain, spacers?
17
votes
2answers
7k views

Can riding without a chain damage a bike?

I've been really struggling learning to ride fakie (backwards) on my BMX. Tonight, an idea occurred to me. If I remove the chain from my bike, it'll be a "free coaster," and I won't have to pedal ...
2
votes
3answers
174 views

Chain sometimes jumps. New parts

Can't seem to get to the bottom of this. I have an 1997 Marin Eldridge Grade. I use it mostly for touring. The chain jumps or skips. It doesn't Jump down to a smaller sprocket. What the chain does ...
2
votes
0answers
77 views

Nasty noise from chain device

Hi I've purchased and fitted a superstar components plasma chain device in my specialized big hit. It makes a terrible noise and I really don't see why. As far as I can see I've set it up correctly ...
3
votes
1answer
398 views

Does master-link size matter?

I recently got this chain master-link for my 21 speed bike but it turns out that it's really meant for a 24 speed drivetrain. Does this mean that the master-link won't be good on my set up? Or that it'...
5
votes
4answers
815 views

Downgearing with a road triple

My mother is trying to get back on her bike after years of knee problems + surgery, which so far has gone ok, but she has had some trouble with climbing hills. She's thinking that she should try to ...
2
votes
1answer
215 views

8 speed drivetrain stronger than 9 speed?

I see a lot of people recommending 8 speed drivetrain over 9 speed for a touring bike because they are supposed to be stronger (e.g. in the buyers guide of the Adventure cyclist magazine, issue april ...
0
votes
1answer
811 views

Converting 3x to 1x Drivetrain

I have a new crankset (link) on the way as well as a chain guide/bash combo from OneUp. I am getting a 36T narrow-wide chainring also. The bike I'm working on has a SRAM 3x9 drivetrain with 11-34 ...
3
votes
1answer
627 views

Is Back-pedalling normal ? chain keeps jumping from higher to lower cog in rear cassette

I just bought a new bike Marin Pine mountain-1 which has 1 X 11 drivetrain. I want to know is Back peddling normal ? I called my mechanic and he said you should not do back peddling or this will ...
1
vote
2answers
410 views

Chainring for 1x8 drivetrain

I'm building a city/light-touring bike with a single chainring and an 8 speed cassette (11-32T). I bought cranks with the wrong chainring; one for single speed, with a 1/8" chain. I now want to make ...
2
votes
1answer
156 views

Replacing BB and Chainset only?

Presently my bike has an FSA 19mm piece of junk BB and omega chainset. As this is a unique system it has no compatible parts. The bike uses Tiagra 4500 9 speed for the rest of the components. If I ...
1
vote
1answer
112 views

SRAM GX1 comparability with double crankset

I am considering purchasing a bike with SRAM's GX1 11x1 gearing but I would like to switch it to use a double crankset. Is the SRAM GX1 rear derailleur and cassette compatible with a dual crankset? ...
1
vote
1answer
695 views

How to get slower gearing on a 1x10 drivetrain

Looking at purchasing a new bike with a 1x10 gearing setup. I am concerned that with my current or future level of fitness, I may need slower gearing on the bike. What is the easiest (and cheapest)...
0
votes
0answers
42 views

Rubbery chatter sensation in drivetrain

I have a 1x 9s setup and am a strong rider, I ride as a courier everyday. I recently set this up with 2nd hand parts and built the wheels myself. I noticed some slight play (wouldn't really say play, ...
4
votes
2answers
1k views

Does effort require to pedal depend on the gear ratio or the gear inches?

I have a 20x1.75" 6-speed folding bike with 52x14-28t drivetrain. Even with the gearing at 52x14, ~3.71 ratio, I can still pedal uphill. I also have a 700x25C fixed gear with 49x17t gearing or ~2.88 ...