Sturmey Archer SX-RK3 3-Sp 170mm Disc Hub 36h - Silver MFPN=27530 Color Black Ring Position/Type Chain LS comp and 3

Sturmey Archer SX RK3 3 Sp 170mm Disc Hub 36h Silver MFPN=27530 Color Black Ring Position Type Chain LS comp and 3 Color Black Ring Position Type Chain Retaining Single Ring Tooth Count 30 Round or Oval Round Drivetrain Speeds 12 Offset 3 Chainline Hub Compatibility 135 142 MTB Hubs Chainline Hub Compatibility 141 148 Boost Hubs Material Aluminum Defined Color Black Direct Mount Type Direct Mount SRAM Not rated for MTB use Gender Age Men's Color Stealth Material Synthetic Clamp Style 7x9 Carbon Rails Defined Color Black Saddle Cut Out Yes Weight 205 Rail Material Carbon Size Medium Large Gear ratio range of 177% (33% each step) 6061 aluminum hub shell with 13 32" slotted solid axle (215mm overall axle length)