SRAM RED AXS E1 1x Aero Power Meter Chainring 12 Speed Size:56t While there are more durable

While there are more durable endurance tyres available

The RaceRibbon gives you the grip and looks we are all looking for

It can also be locked back with the upward shifting lever during use

In independent tests the X-Dome™ architecture is proven to yield the strongest cassette on the market

to help maximise the life of your bottom bracket bearing

SRAM RED AXS E1 1x Aero Power Meter Chainring 12 Speed Size:56t While there are more durableEngineered 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