Raceface Aeffect R eMTB Crank Arm 165mm BCD: Direct Mount Black Set MFPN=HXCPBXKXX Ramped paddle shaped center knobs

Ramped paddle shaped center knobs roll efficiently and provide excellent traction for climbing and braking

and unmatched power transfer to the ski

Orbit UF include lower angular contact bearing and upper 5/32 inch caged bearing

Integrated 4-arm asymmetric spider maximizes stiffness-to-weight ratio

Raceface Aeffect R eMTB Crank Arm 165mm BCD: Direct Mount Black Set MFPN=HXCPBXKXX Ramped paddle shaped center knobsRaceFace Aeffect R Ebike Crank Arm Set 165mm For Bosch Gen4 Drive System 7050 Aluminum Black. The RaceFace Aeffect R eMTB cranks bring the burly purpose driven design of Aeffect R to the Bosch Gen 4 Performance Line CX drive system for seamless motor integration. Optimized for use with Bosch Gen 4 Performance Line CX drive systems Compatible but not optimized for use with Bosch Gen 2 drive systems Constructed of 7050 Aluminum TECH SPECS Color Black