SRAM Quarq RED 1 E1 Aero Crankset

The SRAM Quarq RED 1 E1 Aero crankset is a 12-speed single-chainring crankset with 50 teeth and a power meter integrated into the chainring, designed for riders seeking low weight and accurate measurements. The carbon crank arms are 29 g lighter than the previous generation, and the Direct Mount Aero chainring uses the X-SYNC profile. The power meter is accurate to within ±1.5%, is unaffected by weather conditions and measures the balance between the right and left legs.

Choose the crank arm length to suit your frame and pedalling style: the supplier lists lengths of 160, 165, 167,5, 170, 172,5 and 175 mm. The chainline is 45 mm and the bottom bracket is DUB. The colour is black.

Founded in Chicago in 1987 by Stan Day and a group of cycling enthusiasts, SRAM is still based in the US city today. It makes drivetrains and brakes for road, gravel and mountain bikes. Its story began with a single product: Grip Shift, the shifter that lets riders change gear by twisting the grip.