SRAM RED AXS E1 1x Aero Power Meter Chainring 12 Speed Advance or 20mmDiameter: choose

or 20mmDiameter: choose

With the power of BOA closures and our Hypalon strap

40% PolyesterContrast77% Nylon

Armband Adjustment Range    190~310mm

Our Mk2 Valves Now Come With A World-First Spoke Key Presta Valve Cap

SRAM RED AXS E1 1x Aero Power Meter Chainring 12 Speed Advance or 20mmDiameter: chooseEngineered for riders chasing every possible aerodynamic and performance advantage, the SRAM RED E1 AXS 1x Aero Power Meter Chainring combines an aero optimised direct mount chainring with SRAMs latest Quarq power meter technology into one lightweight, race ready unit. Whether youre racing time trials, triathlon, criteriums or building the ultimate aero road bike, it delivers uncompromising power accuracy, aerodynamic efficiency and seamless AXS