Tensioners, Keepers, & SS Kits

Surly Monkey Nuts v3 Dropout Spacers, Each

Want to build a single speed without having to buy a dedicated frame? Try the Melvin. The Melvin bolts to the frame where the rear derailleur would normally go and allows the use of a single speed rear wheel on bikes with vertical dropouts.

All-City Adjustment Springs & Bolts for Track Dropouts

Surly Cross Check Frame Replacement Dropout Screws Pair

Hurdy Gurdy is a nifty device that keeps your rear wheel from slipping forward in the dropout under pedal load. It's designed for semi-horizontal front-loading dropouts.

Like some of our other chain tensioning devices, Snuggnut keeps your rear wheel from slipping forward in the dropout under the pedal load from your powerful gams.

DMR STS Chain Tensioner, Stainless Steel, Silver

DMR 10mm Chain Tugs, Pair

Surly Single-Speed Kit, Spacers and Lockring

Paul Chain Keeper Direct Mount Black