All Di2 components on the bicycle require the same firmware version
External Adjustments Rebound Damping Positive Spring Air Metric No Eyelet Diameter (mm) 12
Tooth Count 30 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 3 Chainring BCD Sram Direct Mount Color Black Material Aluminum Material Aluminum Chainline/Hub Compatibility 141/148 Boost Hubs
Super slim with superior handlebar feel
Groupset includes SRAM RED shift-brake controls
Wheels Manufacturing Vice Shaft Clamp - For Medium Sized Common Axle Suspension Components Model=eTap All Di2 components on thePrecision machined anodized aluminum clamps designed to allow for easy and secure clamping of round suspension components during service Ideal for suspension damper shafts, damper cylinders, air spring cylinders, piston shafts and thru axles Large: 28. 6, 25. 4, 23. 8mm Medium: 22. 2, 21, 19. 5, 18. 7, 17. 5mm Small: 16. 7, 15. 9, 15, 12. 7, 10, 9, 8mm Made in the USA TECH SPECS model Vice Shaft Clamp description medium, 22. 2, 21, 19. 5, 18. 7, 17.