52a Aerobar Extensions Length:340mm The XX DUB cranks are

The XX DUB cranks are based on our proven design from years past

BB Shell Thread: British

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52a Aerobar Extensions Length:340mm The XX DUB cranks areProfile Design's aluminum extensions provide a comfortable position for the riders hands relative to the armrests. They enhance performance by allowing the rider to relax into their optimal position. We provide different fit options so each rider can chase their best performance. With a 52 degree bend, riders can choose whether to hold high for the shrugged position or low for a more open, head up position. The 52a offers a 7. 5mm lateral shift per