Park Tool OBW-3 Offset Brake Wrench: 14.0mm Model=Optislick Derailleur Cable and Housing sets Bearing rings are made from

Bearing rings are made from a specially developed steel alloy

Printed nose and silicon sides for enhanced gripping

E-Wild rear tire with optimal grip in mind

Direct Mount Type Direct Mount e*Thirteen Tooth Count 34 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Defined Color Black Material Aluminum Ring Position/Type Chain Retaining Single Ring Chainline/Hub Compatibility 141/148 Boost Hubs

The Ratchet LN freehub body is designed to replace the 3-Pawl freehub system

Park Tool OBW-3 Offset Brake Wrench: 14.0mm Model=Optislick Derailleur Cable and Housing sets Bearing rings are made fromPark Tool OBW 3 Offset Brake Wrench: 14. 0mm. Design allows this tool to be used in tight places such as centering caliper brakes. One end features a 14mm opening and the other fits into the tension springs to rotate the brake on its bolt