SRAM Quarq RED 1 E1 Aero crankset
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The SRAM Quarq RED 1 E1 Aero crankset is a 12-speed, 50-tooth, single-chainring crankset with a power meter integrated into the chainring, designed for riders seeking low weight and precise measurements. The carbon crank arms are 29 g lighter than the previous generation, and the Aero chainring with Direct Mount interface uses the X-SYNC profile. The power meter is accurate to within ±1.5%, is unaffected by weather conditions, and measures the power balance between the right and left legs.
Choose the crank arm length to suit your frame and riding style: the supplier lists 160, 165, 167.5, 170, 172.5, and 175 mm lengths. This listing is for the 160 mm version, with a 45 mm chainline and DUB bottom bracket. The color is black, the only available option.
| Speeds | 12 |
|---|---|
| Chainring teeth | 50 teeth |
| Crank arm length | 160 mm |
| Chainline | 45 mm |
| Chainring interface | Direct Mount |
| Bottom bracket standard | DUB |
| Power meter | Quarq, ±1.5% accuracy |
| Measurement | Total power and right/left balance |
| Chainring technology | X-SYNC |
| Crank arm material | Carbon |
| Weight savings | 29 g compared to the previous generation |
| Available lengths | 160, 165, 167.5, 170, 172.5, 175 mm |
| Color | Black |
Ships in 5-6 business days.