SRAM Rival AXS Wide Power Meter Left Crank Arm and Spindle Upgrade Kit – 165mm 8-Bolt Direct Mount DUB Spindle Interface Black D1

* Upgrade Wide Rival D1 cranksets to power meter cranksets.* Replaces non-drive crank arm and spindle. Uses existing drive side arm and chainrings.* DUB bottom bracket adds durability and simplicity* DUB-PWR spindle-based unit measures left side power to c