SRAM Red 1 AXS D1 DUB Aero cranks with wattmeter, 1x12, 48T
In certain disciplines of road cycling , single-gear cranksets are used, for example in triathlon, time trials or cyclocross - and it is for them that Sram developed the Sram Red 1 crankset with a single Aero gear.
The power meter features improved aerodynamics thanks to direct-mount aero converters with fully integrated power, and the narrower gear range is ideal for racing and flatter terrain. The unique shape of the converter results in lower weight, stiffer and more durable cranks. The integrated design of the converter significantly reduces weight.
Performance data is accurate to within +/-1.5% and is not affected by weather conditions while driving.
8-bolt direct mount compatibility with new RED® and Force eTap AXS™ cranks only.
Material: Carbon
Axis type: 29 mm (DUB)
Gears: 48 teeth
Technical designation: PM-RED-1-D1
Technologies: Exogram, X-Sync, AXS, APR, DZero, X-Range
Chain line: 45 mm
Groupset | SRAM Red |
Gears | 1x12 |
product ID | 129048 |

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