The SRAMTruvativ X0 X9 22T 64mm BCD Inner MTB Chainring is made from aluminium It is strong enough to withstand hard riding and wont rust The black coating further improves resistance to the elements and gives the chainring an elegant look A great budget chainring Key Features Ideal for mountain bikes Made for 3x10 and 2x10 speed bikes 64 mm Bolt centre diameter BCD 4 bolt

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