SRAM RED AXS 2x Power Meter Chainring Kit - 54/41t 2x12-Speed 8-Bolt Direct Mount BLK/Silver E1 D640 offering race tuned durability and

offering race tuned durability and abrasion resistance

8mm clamp diameter

60mm(R)/90mm(L) Saddle VELOTRIC comfort ergonomic seat Seatpost Aluminum Alloy

9-speed road rear derailleur

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

SRAM RED AXS 2x Power Meter Chainring Kit - 54/41t 2x12-Speed 8-Bolt Direct Mount BLK/Silver E1 D640 offering race tuned durability andIts 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