Other

Steel 1mm spacer fits Shimano cassette bodies - Great for 10 sp cass on 8/9 sp hubs - Also for many other fit applications

Turn your geared bike into a singlespeed machine with Origin-8's Pro Pulsion UL Chain Guide. It mounts to your derailleur hanger and provides a smooth, quiet, and adjustable means of tensioning the excess chain slack on any bike. The machined, lightweight design features a spring-loaded tension pulley and cna be adjusted for perfect chainline.