Shimano SM-CN900 11-Speed Chain Quick Link | Package of 2 Disc Brake Set When a BB spacer disappears

When a BB spacer disappears into a down tube or a small bolt rolls into a chainstay

Pair with Terra Trail on rougher routes where grip takes priority

these pads provide the kind of predictable

technical descents where 4-piston brakes are working hardest

and Deore XT M8000

Shimano SM-CN900 11-Speed Chain Quick Link | Package of 2 Disc Brake Set When a BB spacer disappearsWhat Is the Shimano SM CN900 11 Quick Link For? The SM CN900 11 is Shimano's 11 speed chain quick link, providing tool free chain installation and removal for Shimano 11 speed road and MTB drivetrains. Each package contains two quick links, which is enough for two full chain installations or for keeping a spare on hand during a long ride or race. The quick link functions as a master link: the two halves thread together and seat under chain tension,