SRAM Apex AXS Wide Left Crank Arm Power Meter Spindle Assembly - 172.5mm 12-Speed DUB Spindle Interface BLK D1 CheckoutSpec= Pitch M12x1.50 - Rudy this is the most durable

this is the most durable binder in the world

A great choice for alpine skiing and similar activities

Multiple attachment options for added versatility

The Redline Skin is a world-class skin ski for training and racing

SRAM Apex AXS Wide Left Crank Arm Power Meter Spindle Assembly - 172.5mm 12-Speed DUB Spindle Interface BLK D1 CheckoutSpec= Pitch M12x1.50 - Rudy this is the most durableSRAM Apex AXS Wide Left Crank Arm and Power Meter Spindle Assembly 172. 5mm 12 Speed DUB Spindle Interface Black D1. Accurate 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