Holds your chain on your chainring.
Unless you are doing bat-shit-crazy downhill stuff, or using a single chaining ring with an older clutchless derailure you don't need one.
Thanks man, will be doing neither of those things.
@mi7rennie started
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Holds your chain on your chainring.
Unless you are doing bat-shit-crazy downhill stuff, or using a single chaining ring with an older clutchless derailure you don't need one.