Classified Aero Chainring - 50t DropStop B fits SRAM Flattop T-Type 12/13-Speed Chains Compatible all 11-Speed Chains BLK MFPN=11654627 This 7-piece professional tool set Chainring Size:50/34T 9.1x17.3x2.4 TR7412 SRAM Force Crankset 160mm

Classified Aero Chainring 50t DropStop B fits SRAM Flattop T Type 12 13 Speed Chains Compatible all 11 Speed Chains BLK MFPN=11654627 This 7 piece professional tool set Chainring Size:50 34T 9.1x17.3x2.4 TR7412 SRAM Force Crankset 160mm This 7 piece professional tool set is ideal for precision and torque controlled screwdriving featuring a secure slip over torque mechanism with quick clockwise counterclockwise setting five selectable tightening torques (2 Tooth Count 30 Round or Oval Round Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Direct Mount Type Direct Mount SRAM Defined Color Black Ring Position Type Single Ring Position Type Chain Retaining Single Ring Offset 3 Chainring BCD Sram Direct Mount Color Black Material Aluminum Material Aluminum Chainline Hub Compatibility 141 148 Boost Hubs