Surly Single-Speed Kit Spacers and Lockring MPFN-TF21010 These bolts are designed as

These bolts are designed as a direct fit for 30 Tooth x 104 BCD threaded chainring

Long length (76

Select the correct hardware kit for your mounting bolt diameter (e

} Specifically designed to install and remove BB386EVO/MegaEvo threaded bottom brackets

Surly Single-Speed Kit Spacers and Lockring MPFN-TF21010 These bolts are designed asSurly 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