BOX BOX One 10mm X 2 Hole Axle Tensioner - Black Model=XTR CS-M9100 12-Speed Cassette Rear Derailleur Mount Type 10x1

Rear Derailleur Mount Type 10x1 Standard Rear Der/Shifter Compatibility SRAM Exact Actuation Cage Length Medium Drivetrain Speeds 11 Weight 186 Color Black Chain Wrap Capacity (teeth) 37 Largest Cog 32

Internal cable routing with an actuation linkage to reduce lever force

Brake Lever Actuation Hydraulic Brake Lever Use Right Color Gray/Black Defined Color List Gray Defined Color List Black

} Tiagra level disc hubs

2 Disc Brake Rotor - 180mm 6-Bolt Silver

BOX BOX One 10mm X 2 Hole Axle Tensioner - Black Model=XTR CS-M9100 12-Speed Cassette Rear Derailleur Mount Type 10x1Extruded then CNC machined from 7075 aluminum for an optimal balance of strength and weight A minimalist design adds style while reducing their overall mass Laser etched graphics that include wheel position guides and two 10mm mounting holes ensure perfect adjustability on most frames every time you remove and replace your wheel 3rd party web sales must be an Authorized Dealer TECH SPECS axle 10mm color black package pair