WTB Rocket Saddle Titanium Black Medium MFPN=EC12 CHDB001 Chainline Hub Compatibility 135 142 MTB Hubs Chainline Hub Compatibility 135 142 MTB Hubs Chainline Hub Compatibility 141 148 Boost Hubs Color Black Silver Defined Color Black Defined Color Silver Direct Mount Type Direct Mount SRAM Drivetrain Speeds 12 Material Aluminum Offset 0 Ring Position Type Chain Retaining Single Ring Round or Oval Round Tooth Count 36 Length 350 Color Black Diameter 31 }tr:nth child(even){background color:#f2f2f2}th{background color:#eb212e The distinctive rising whale tail shape is one of the many features that make it excellent saddle for bikepackers and trail riders