QUARQ DFOUR DUB POWER METER CRANK ASSEMBLY youth helmet Proprietary SHIMANO rubber outsole improves

Proprietary SHIMANO rubber outsole improves grip on pedal pins for better bike control and ground for greater traction

For 29: tubeless prepared

Its lightweight design not only delivers silky smooth travel

8 x 34 x 14

QUARQ DFOUR DUB POWER METER CRANK ASSEMBLY youth helmet Proprietary SHIMANO rubber outsole improvesSleek geometry of carbon fiber arms to pair with a Quarq DZero or DFour DUB power meter spider, builds a power meter that can handle the toughest of conditions. Available in lengths from 165 to 177. 5 so every rider can achieve their proper fit. Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The DFour DUB was designed specifically for Dura Ace R9100 chainrings. Train using a Quarq power