Repairing, maintaining, or replacing the chain on your bike that connects the front of the drivetrain (cranks, chainrings) to the back (cogs, cassette).

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158 views

What could be the reason for chain skipping

My chain is skipping only on the smallest sprocket, and it skips with every crank turn. The chain is not stretched. Also, chainrings are almost new. Could this freewheel be the reason, it doesn't seem ...
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1answer
69 views

Can i use a thinner standard mtb chain (SRAM 971) or does the chain need to be specific (SRAM PC-1) for coaster brake single speed

Time for a replacement chain, and i have a sram 971 sitting around, don't want to spend the money on a new chain, if i can get away with using a mountain bike chain. Hopefully it won't pop off with ...
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2answers
866 views

Rear wheel stuck (not moving)

I have a Mongoose XR-150. Just brought it from Craigslist a month ago. Suddenly while biking today, the rear wheel got jammed. It just stopped moving, however hard I tried to pedal. Immediately ...
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4answers
3k views

Rust on chain and cassette

It looks like rust on my chain and cassette. Both were new 5 months (4000 km) ago. The chain is about 60% worn/stretched. I've been riding 5 days/week, 40 km/day, Toronto on mild winter roads, and ...
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2answers
68 views

Sliding chain over the cassette [duplicate]

Today I have replaced my chain with a kmc z8s. The rear cassette is Shimano acera 8 speed , and is not worn yet , so everything is OK with the cassette. But the problem is that the chain doesn't fit ...
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1answer
105 views

Alfine 11 chain guard

I'm planning to invest into a Alfine 11 set (both hub gear and crank+front cog(45)). I'm also looking for solution for chain guard for Alfine cog for commuting. I've found Curana brand that makes good ...
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1answer
92 views

Chain doing noises… what to do?

I have a city bike with a 3 gear hub on the back. From some time now, from time to time I hear (I think) the chain clicking/cracking (noise) specially when going up a ramp. Initially I though it was ...
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1answer
225 views

Shimano Ultegra chaninrings on Truvativ Elita Tandem crank

I'm attempting to replace the chainrings on my Cannondale Road tandem. The crankset is a Truvativ Elita Tandem (52-39 10 speed big/middle ring). The new rings are Shimano 6603 52-39 rings. I swapped ...
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1answer
307 views

Clicking gears on new Electra Townie 8i

I asked a similar question related to slipping gears here: Slipping gears on new Electra Townie 8i but now I no longer get slipping, but clicking noise when the pedals are rotated either forward ...
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0answers
51 views

Did SRAM change/update their 10 speed PowerLink?

On a rare occurrence this weekend I managed to completely destroy my SRAM PowerLink. So I went over to my LBS and got a new one; however, when I went to install it, it was super hard to close the link ...
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1answer
67 views

KMC Z8S IG or HG compatibility

I have bought a KMC Z8S chain , but it slides over the rear cassette . The model of the cassette is Shimano CS-HG30-81 , it is not worn yet , and the chain length is also perfectly calculated . The ...
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0answers
93 views

How can I prevent “chain suck”? [duplicate]

I know what the above is: when your chain bunches when you change gears & the bunch runs through the front derailleur and wrenches it. This damage is pretty much irreparable, and has cost me far ...
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0answers
40 views

What sort of bike chain do I need for my bike? [duplicate]

Possible Duplicate: How can I tell which size chain my bike uses? I have a vintage Ross road bike, and the chain recently snapped during one of my rides. The bike has 2 gears in the front ...
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1answer
184 views

Chain fell out of rear derailleur when wheel off.

I took my rear wheel off to fix a flat and hung the bike up by its front wheel to store. when I returned to put the tire back on the chain had slipped totally out of the rear derailleur, caged jockey ...
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1answer
128 views

Upgrades/Repairs Mongoose XR-150 [closed]

First time posting here for bikes. I have an old wally world free xr-150. It was my favorite bike as a kid when it was all about fun. It's been sitting around for many years. No real rust or tarnish. ...
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2answers
225 views

the derailer is touching chain and it won't let me go past 14 speed supposed to go 21 speeds

The derailer on my 21-speed bike looks like it's bent. It won't let the chain go onto the 3rd ring of the front derailer so, no I can't shift past the 14th speed. If I try it makes a loud sound, like ...
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2answers
397 views

Why does chain slip when I move my pedals?

Why does chain slip when I move my pedals? How do I fix it? Here is a clip: ...