Shimano Dura-Ace R9100
The worst-kept secret in the bike business, as it usually is, the new DA has now been released on the eve of the Tour. GCN goes behind the scenes. TL;DR: a power meter, and Dura Ace level hydraulic disc brake.
The worst-kept secret in the bike business, as it usually is, the new DA has now been released on the eve of the Tour. GCN goes behind the scenes. TL;DR: a power meter, and Dura Ace level hydraulic disc brake.