CarbonDry Japan Big Pulley Kit Medium Cage Shimano 11S Matte Black Jumbo Visma The 57mm front ensures confident

The 57mm front ensures confident handling in crosswinds

more enjoyable ride

Environmentally Friendly and Recyclable

Clamp Diameter: 31

- Waterproofness rating: IP67

CarbonDry Japan Big Pulley Kit Medium Cage Shimano 11S Matte Black Jumbo Visma The 57mm front ensures confidentCDJ Big Pulley Kit (BPK) has some advantages. 1) Pedaling with the BPK is lighter than a normal derailleur because the friction loss will be decreased. Several customers reported that their average speed increased more than 2km h by their cycle computer. 2) You can use Outer Low (front outer gear and rear inner gear) smoother than with normal derailleur. Normally, it will be quite difficult to use gear combinations like this with a normal rear