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

Replaceable jaw covers (part #1960)

and more in one glance

6" with Tanwall Net Weight 71lbs

Diameter 700C Front/Rear or Set Rear ID Width (mm) 17 Axle Size QR Rim Color Blk MSW Rim Model Alex AT470 Hub Model Shi RS400 Hub Spacing 130 Hub Color Blk Gears 8-11s RD Brake Type RIM Spoke Type DT-2

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