Careful engineering has resulted in the Rival AXS E1 crankarms that optimize stiffness to weight ratio, with material only where it’s needed. Integrated chainrings deliver flawless shifting in ranges that fit your needs, with the whole package coming in over 50 grams lighter than the previous generation.

FEATURES

• DUB bottom bracket adds durability and simplicity
  
• Crisp and accurate front shifts
• Integrated one-piece chainrings
• Available in 46/33T and 48/35T chainring combos

SPECIFICATIONS
Speeds: 12
BB Compatibility: All SRAM Road DUB BBs
Chainring Size:  46/33T, 48/35T
Crank arm length:  160mm, 165mm, 170mm, 172.5mm, 175mm
Chainline: 45.0mm
BB Spindle Interface: DUB
Chainring material: Aluminum
Bolt Circle Diameter (BCD):  Direct Mount (DM)
Chain Compatibility:  Road Flattop D1, Road Flattop E1
Drivetrain Configuration: 2x
Technology (FD): Road-Yaw
Front Tooth Jump: 13

SKUs
Model ID: FC-RIV-E1