Shimano Dura-Ace / Ultegra Di2 SM-BMR2-I Long Battery Mount For Internal Routing ES Thanks to its 46-36 teeth Size:700 x 40c BOSRRPWW48 / U11 B1 Capacity_1 L Recommended inner rim width

Thanks to its 46-36 teeth ratio perfect it is perfect for gravel or cyclocross because you can use it on every terrain no matter what kind of gradient you come up against

Campagnolo Model: OC13-CEG

The anatomically cut anti-slide rubber in the leg provides an optimum anti-slip fit

A True Game Changer

Rapidfire Plus system allows you to change gear with the downshift lever

Shimano Dura Ace Ultegra Di2 SM BMR2 I Long Battery Mount For Internal Routing ES Thanks to its 46 36 teeth Size:700 x 40c BOSRRPWW48 U11 B1 Capacity_1 L Recommended inner rim width Thanks to its 46 36 teeth ratio perfect it is perfect for gravel or cyclocross because you can use it on every terrain no matter what kind of gradient you come up against Campagnolo Model: OC13 CEG