Promax DC-300 Caliper OEM Black Tire Diameter-20 All new materials make this

All new materials make this generation lighter and more supple while increasing torsional rigidity

This stem is intended for negative drop only and cannot be flipped or reversed in a positive rise

45/45 degree angular contact bearings

Ring Position/Type Chain Retaining Single Ring Tooth Count 28 Round or Oval Round Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Offset 3 Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 170/177 Hubs Chainline/Hub Compatibility 190/197 Hubs Chainline/Hub Compatibility 150/157 DH Hubs Chainline/Hub Compatibility 157 Super Boost Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Material Aluminum Defined Color Blue Direct Mount Type Direct Mount CINCH

2Clamp Style Standard RailsOffset (mm) 0Color BlackMin Height 312

Promax DC-300 Caliper OEM Black Tire Diameter-20 All new materials make thismechanical disc brake caliper for Postmount system OEM packing 140 mm, rear; 160 mm, front TECH SPECS