SRAM RED AXS Crank Arm Assembly - 167.5mm, 8-Bolt Direct Mount, DUB Spindle Interface, Natural Carbon, D1 Saddles - 72% efficiency at 10

- 72% efficiency at 10 mph

4 modes: High (2

- Replacement bash guard / lower arm for 09 LG1+ chain guides

and Evos 48-50cm frames

Manufacturer Part Number: ST-AST15PX18-BK

SRAM RED AXS Crank Arm Assembly - 167.5mm, 8-Bolt Direct Mount, DUB Spindle Interface, Natural Carbon, D1 Saddles - 72% efficiency at 10The SRAM RED AXS Crank Arm Assembly features hollow carbon Exogram crank arms for a lightweight, strong, and elegant crank. It can be paired with any SRAM AXS spider or integrated chainring, with or without power. The 8 bolt interface is compatible with power and non power AXS spiders and integrated chainrings Not compatible with SRAM's 3 bolt direct mount interface Hollow Exogram carbon arms Spider and chainrings sold separately Product Specifics