Shimano CN910-12 12-Speed Quick Link Option:2 Pack If you don't know which

If you don't know which sized bell you need

Sealed cartridge assembly with oversize ball bearings - maintenance-free high efficiency rubber seals keep out dirt

2 Large & 2 Medium Patches

Cutting both shifter and brake cables with ease

Honzo CR Trail

Shimano CN910-12 12-Speed Quick Link Option:2 Pack If you don't know whichShimano CN910 12 12 Speed Quick Link To provide greater flexibility Shimano now introduces chain QUICK LINKs Designed with tool free assembly in mind for quick on the trail repairs For rapid assembly of multiple chains a professional assembly tool (TL CN10) is also available SM CN900 11 compatible with all Shimano 11 speed chains SM CN910 12 compatible with all Shimano 12 speed chains Sold in sets of 2 (4 pieces)