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Optimized 7000 series forged aluminum arms support the X-SYNC 2 chainring to provide complete chain control
SRAM Model ID: RS-SIDL-ULT3-A2
Compatible with SRAM 12-speed and 13-speed groupsets including SRAM Red XPLR AXS
Bearing ball material is AISI 52100 chrome bearing steel hardened to Rc 61-66
Raceface Aeffect R eMTB Crank Arm 160mm BCD: Direct Mount Black Set CheckoutTitle=Industry Nine A318 Stem - 40mm Optimized 7000 series forged aluminumRaceFace Aeffect R Ebike Crank Arm Set 160mm 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
