SRAM RED AXS 2x Power Meter Chainring Kit - 54/41t 2x12-Speed 8-Bolt Direct Mount BLK/Silver E1 D640 5-55mm Type Bearing Size Range

5-55mm Type Bearing Size Range 47

9-speed road rear derailleur

Vendor Cloud-9 Manufacture Number Model Name Cruiser Web Spring Category Saddles

8mm clamp diameter

Outstanding traction Mud tire

SRAM RED AXS 2x Power Meter Chainring Kit - 54/41t 2x12-Speed 8-Bolt Direct Mount BLK/Silver E1 D640 5-55mm Type Bearing Size RangeIts 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