Surly Snuggnut Chain Tensioner - 12mm Black Each Model=Asymmetric 11-Speed Chainring Includes 6 extra grip pins

Includes 6 extra grip pins

SRAM Yaw cage technology optimized for use with X-Range chainrings

Misc 303 Disc Brake

then self-seals to eliminate drips and spills Easy to squeeze thanks to its flexible

sketchy descents

Surly Snuggnut Chain Tensioner - 12mm Black Each Model=Asymmetric 11-Speed Chainring Includes 6 extra grip pinsSurly Snuggnut keeps your rear wheel from slipping forward in the dropout under the pedal load from your powerful quads. It's specifically designed for Surly bikes featuring 12mm horizontal vertical slotted dropouts and is particularly suited for singlespeed application. Snuggnut is CNC machined for durability and good looks and shares many design features found on Tuggnut and Hurdy Gurdy. Compatible with 12mm horizontal thru axle dropouts only