The most advanced aluminium crankset SRAM has ever been made. With a ground-breaking aluminium design, it provides a perfectly balanced ratio between stiffness and weight.

The watt meter technology is integrated through what Sram calls "DUB-PWR" - a unique design, with Quarq's reliable and accurate watt measurement inside the DUB shaft itself. Measures power on the left side to calculate total watts.

+/- 3% accuracy.

DUB Wide.

32T.

170mm pedal arm.

Q factor 174 mm.

Boost.

NOTE Only suitable for Sram T-Type gear system.