SRAM Apex AXS Wide Left Crank Arm Power Meter Spindle Assembly - 175mm 12-Speed DUB Spindle Interface BLK D1 greatdeals } Double air spring system

} Double air spring system with independent positive and negative chambers

Double X bridge shape with inner and outer plate chamfering for smooth and fast shifting

Rode Klister Racing K3 0°C to +3°C (32°F to 37°F): Imagine Rossa Special klister with a wider range and more speed

cycling dynamics

Waterproof (IPX7 waterproof to 1 meter for 30 minutes)

SRAM Apex AXS Wide Left Crank Arm Power Meter Spindle Assembly - 175mm 12-Speed DUB Spindle Interface BLK D1 greatdeals } Double air spring systemSRAM Apex AXS Wide Left Crank Arm and Power Meter Spindle Assembly 175mm 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 watts