Shimano STEPS EW-SW310 Satellite System On/Off Switch - Black Model=ST 5 Flow Saddle The result of CFD (computational

Shimano STEPS EW SW310 Satellite System On Off Switch Black Model=ST 5 Flow Saddle The result of CFD (computational The result of CFD (computational fluid dynamics) testing the Propel sunglasses introduce the concept of aerodynamic gains to eyewear Tooth Count 32 Round or Oval Round Drivetrain Speeds 12 Drivetrain Speeds 11 Drivetrain Speeds 10 Direct Mount Type Direct Mount SRAM Defined Color Black Ring Position Type Single Ring Position Type Chain Retaining Single Ring Offset 6 Chainring BCD Sram Direct Mount Color Black Material Aluminum Material Aluminum Chainline Hub Compatibility 135 142 MTB Hubs Chainline Hub Compatibility 150 157 DH Hubs Chainline Hub Compatibility 170 177 Hubs