SRAM Apex AXS Wide Left Crank Arm Power Meter Spindle Assembly - 160mm 12-Speed DUB Spindle Interface BLK D1 Size-473ml (16oz) For integrated head tubes with

For integrated head tubes with 45 x 45 angular bearings

Wireless and proven eTap shift logic AXS connectivity and advanced chain management mean this derailleur does exactly what you want when you need it

Won’t dry out or ball up

Two-button design lets you fine tune the brightness and flash speeds to your cycling needs

Includes ferrules cable tips and o-rings

SRAM Apex AXS Wide Left Crank Arm Power Meter Spindle Assembly - 160mm 12-Speed DUB Spindle Interface BLK D1 Size-473ml (16oz) For integrated head tubes withAccurate reliable power measurement is practically a requirement these days and the Apex AXS crankarm power meter upgrade is the easiest way to get precise power numbers. With the tech hidden inside the DUB spindle it fits almost any bike while remaining stealthy. DUB PWR spindle based unit measures left side power to calculate total watts Proven Quarq reliability and accuracy Long battery life (400+ hours) to power a season of rides Waterproof (IPX7