SHIMANO GRX FRONT CHAINWHEEL FC-RX610-2The SHIMANO FC RX610 2 balances weight savings and optimized efficiency for mixed terrain riding and racing. Gearing options cater to the segmented demands of gravel cycling, maintaining the tighter gear steps needed to maintain your position in the bunch. The 2x12 speed crank utilizes a 46 30T chainring combination and comes in 165, 170, 172. 5, and 175 mm crank arm lengths. BENEFIT Smaller gear steps for cadence control on mixed terrain riding

To provide a simpler and more direct E-MTB experience

Wide range and close step 12-speed drivetrain

SLX BR-M7000

110 x 15 ✔

Exceptional front shifting performance for large-wheel mountain bikes

HDPolarized: Minimizes glare via technology that produces a comprehensive

Anatomic IAS system

Easily fits in jersey pocket or clips to bike with included bracket

Model:  Deore m4100

Ultimate is not just a name

SHIMANO SLX RD M7120 12 Speed Rear Derailleur RD-M7120-SGS

creating one single spoke instead of two