Road Bike Worn Chain
A worn chain on a new cassette or chainrings will only accelerate the wear says chris mckenney.
Road bike worn chain. This is park tool s cc 3 2 chain checker with an rrp of 9 99 although you ll find it cheaper if you look around other brands offer similar instruments. This article was originally published in the complete book of road cycling skills. Well you ll need a new chain call if you re not 100 sure about which chain is for you there are a lot of variables particularly 10 11 speed a chain tool we recommend getting at least the park ct 5 about 30 minutes and this article on correct chain sizing. Expert road bike reviews and the latest road bike news features and advice.
We look at the process of fitting a new chain to. You hook the curved end into the chain and if the gauge tip on the other end fits completely into a chain link the chain is worn to the point it needs replacing one side measures 0 5 wear the other side measures 0 75 wear. Persisting with a worn chain is likely to accelerate wear on the chainring. Whether a chain measures only 0 001 wear or 0 75 worn when it is new this doesn t change the fact that the cassette and chainrings don t care how new or how old the chain is he.
As the chain is typically the least expensive part in the system it makes sense to add a new one when installing new chainrings or a cassette. Find rides events. Expert road bike reviews and the latest road bike news features and advice. If the rivet is more than 1 16 of an inch ahead of the 12 inch mark then it is time to replace your bike chain.
Generally installing the new chain is what confirmed the old parts were worn out anyway. This video walks through several methods for measuring chain wear and it includes a handy. The bushings in the chain are subject to tremendous torque he says and compares a worn chain to a plastic. Extend the life of the more expensive parts of your bike and learn when it s time to replace your chain.
So let s assume you ve measured your chain and it s just worn enough to replace without needing a new cassette.