Shimano XT SM-CRM81 M8000 96BCD Wide & Narrow Bike Chain ring Crank Chainring bcd96 30T 32T 34T Crown MTB Bicycle Chain Wheel shimano slx m7000 crankset 1x11 speed chain wheel crank with deckas 96bcd narrow wide chainring 30t 32t 34t 36t 38t with bb52
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