■Installation example


■AURUM+CF30 Pully

Resin products, simply put, are plastics, but they are a very wide range of materials that can be selected for a variety of applications, from general-purpose to super engineering plastics (commonly known as super engineering plastics). We have focused on a super engineering plastic material called "AURUM+CF30," which is extremely light, strong, wear resistant, quiet, and has low sliding resistance, and have released our next-generation pulley as a completely original product. The polyimide resin containing 30% carbon fiber is a dark green color with a unique marble color that gives it a unique texture. It is truly the pride of MADE IN JAPAN.


■CDJ BIGPULLY Merit

1.Performance for stress-free pedaling and shifting in the front outer and rear low gear area. Where you would normally downshift to the front inner gears, you can stay on the outer gears. Reducing the number of shift changes will also reduce the burden on the rider.

2.Many users have actually reported an increase in average speed of 2 km/h or more on their cycle computers. The reduction of friction loss in the chainline and the reduced number of shifts due to the improved utility of the chainline can be accumulated to give a significant advantage.

3.We take pride in the detailing of the finish, the use of the best materials for each part, and the machining precision with which the parts are formed.