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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224 views

Chain skipping with new chain and freewheel

I've recently (last 6 months) begun riding again after many years away and have begun updating components on my bike (a mid 80s era Fuji). After replacing the rear wheel and freewheel I developed a ...
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2answers
98 views

New chain snaps after shop service

I changed my chain on my bike last week for a new 9-speed SRAM chain. When I did this it became apparent that my cassette was worn beyond use, so I took my bike for a service at my local shop. They ...
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1answer
156 views

Crunching/grinding chain noise

I repaired a puncture in the back wheel of my bicycle and had some trouble re-attaching the wheel to my bike. I finally did it but now the chain makes a terrible crunching noise when i pedal forward, ...
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1answer
310 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
109 views

Chain drops in smallest gear under load

I'm baffled. I installed a new chain, cassette, cables and housing yesterday. On the stand, all is happy and shifting is silky smooth. On the road all seems happy except on the bigger cogs in back (in ...
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0answers
70 views

Chain guide/tensioner for 2011 Giant Reign 2 (Press Fit)

Can someone recommend a chain guide/guard/tensioner that will be mountable to a 2011 Giant Reign 2 which has Shimano Press Fit and 3-ring crankset? The best I could find is: Kore Chain Reactor - ...
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0answers
80 views

Gears jumping/slipping from the rear cogset on a new bike

Its been 1 month since I have bought my new MTB (Kross globate 1.1) with 18 gears (shimano).. Now the problem is chain has slipped twice while riding. First time my speed was around 25kph and second ...
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0answers
80 views

How do I fasten my loose chain guard?

I have a dutch bike and over time the chain guard has come loose. It falls down and ends up resting on the chain. The problem is that I can't see a obvious way to fix it. There is no external bolt or ...