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FC-M9100/9120 Material Aluminum Narrow-Wide Design Yes Primary Color Grey Speed 12
STEM TOP CAP AND ALLOY BOLT SERVICE COURSE SL POLISHED BLACK
Stainless steel washers for fitting pedals to carbon fiber cranks
Cassette Technology PowerGlide II Cassette Weight 302g Cog Details 12-14-16-18-21-26-32 Cog Material Steel Finish Chrome Range 12-32T Speed 7
Oversized palm rest prevents hand fatigue
GRX FC-RX820-2 Single compound FC-M9100/9120 Material Aluminum Narrow-Wide DesignThe new FC RX820 2 crank balances weight and efficiency for mixed terrain riding. Gearing options cater for the specific demands of gravel riding and to maintain tighter gear steps for maintaining pedaling rhythm. GRX 12 speed, hollow arm double crankset. 31 48T: Shimano's widest range gravel oriented double crank. Tighter gear steps than 1X drivetrains make it easier to maintain pedaling rhythm Bottom Bracket: Not included SM BBR60 SM BB72 Chainline:
