Surly Single-Speed Kit Spacers and Lockring Model=GRX ST-RX815 Di2 }Shimano XT M8000 28t 64mm

}Shimano XT M8000 28t 64mm 11-Speed Inner Chainring for 38-28t Set

Super fast rolling tire with widely spaced knobs to handle a wide range of conditions

Pad Compound Organic Defined Color Black Brake Lever Use Left Double or Triple Double Brake Lever Actuation Hydraulic Color Black Brake Caliper Mount Post Mount Rotor Included No Includes Brake Disc Hydraulic Hose Length 950 Hydraulic Fluid Type DOT Rear Der/Shifter Compatibility SRAM Exact Actuation Drivetrain Speeds 11 Weight 378 Front Der/Shifter Compatibility SRAM Yaw Adjustable Contact Point No Adjustable Reach Yes

Durable aluminum construction

Surly Single-Speed Kit Spacers and Lockring Model=GRX ST-RX815 Di2 }Shimano XT M8000 28t 64mmSurly Single Speed Kit Spacers and Lockring. Surly Single Speed Spacer Kit comes with a selection of anodized aluminum spacers so you can get a perfect chainline to complement your road track or mountain crankset. Our large diameter stainless steel Cassette Lockring holds everything together and perfectly matches the outside diameter of the spacers. Plus it matches the machined shoulder of our single speed cassette cogs (not included). The lockring is