RED AXS Power Meter Chainring Kit E1 torque wrenches Wingflex: The shell's side edges

Wingflex: The shell's side edges flex and adapt to a rider's inner leg movement

Engineered with the right materials for the application

Storage pen integrated with tool holder snaps to hold the Ratchet Stick together for riding or storage

Fizik Adaptive 3D-printed padding has expanded to the Antares family

And with our drirelease® Tech Tee

RED AXS Power Meter Chainring Kit E1 torque wrenches Wingflex: The shell's side edgesIts 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