Shimano 10-Speed Chain Size:10 Speed The Oakley Holbrook has quickly

The Oakley Holbrook has quickly become an Oakley classic

Double layer

This full balaclava keeps it light

BR-R9170-R

Shimano 10-Speed Chain Size:10 Speed The Oakley Holbrook has quicklyShimano Ultegra 10 Speed Chain. The inner outer plate, designed for better contact with gear teeth, allows smooth shifting even under high load conditions. In addition, the chain has achieved a pedaling efficiency of 0. 6% higher. In order to obtain good gear shifting performance, this chain has a forward side and a reverse side, and the sides are marked so that the chain will face the correct way when installed. CN 6701 10 Speed chain Directional