SRAM RED AXS 2x Power Meter Chainring Kit - 54/41t 2x12-Speed 8-Bolt Direct Mount BLK/Silver E1 D640 9-speed road rear derailleur

9-speed road rear derailleur

no more fear of the impact of obstacles such as steps

peak 750w 130 Nm of torque Battery Default built-in 48V/14AH battery 48V/14AH powered by 18650 LG cells 48V/14Ah

Easy setup with included tool SRAM Yaw cage technology optimized for use with X Range chainrings

A next-generation ride where performance and innovation meet to deliver an exhilirating experience

SRAM RED AXS 2x Power Meter Chainring Kit - 54/41t 2x12-Speed 8-Bolt Direct Mount BLK/Silver E1 D640 9-speed road rear derailleurIts the ultimate in integrated power measurement. The RED AXS power meter kit adds Quarq technology to SRAM's one piece chainrings for the lightest stiffest and most accurate power package available. A 13 tooth delta on all chainring pairs ensures precise shifting for any setup as well as a less dramatic change in cadence during front shifts. Combined with our most durable chainrings ever its an unbeatable combination. X Range gearing technology gives