Shimano XTR RD-M9000 11-Speed Rear Derailleur Pulley Set Headset Spacers a detail that gets skipped

a detail that gets skipped in cheaper inflation tools and matters in cold conditions

The 40mm Presta valve stem gives precise pressure control at the lower PSI that plus tires run

The result is smoother rotation that holds up longer between service intervals

The steel-backed construction keeps the pad rigid under load

and the 700x45 size brings that same proven tread pattern into a high-volume package built for comfort and control on demanding terrain

Shimano XTR RD-M9000 11-Speed Rear Derailleur Pulley Set Headset Spacers a detail that gets skippedDoes the Shimano XTR RD M9000 Pulley Set Restore Flagship Shifting Performance? The Shimano XTR RD M9000 pulley set is the OEM replacement for both the guide and tension pulleys in the XTR RD M9000 and RD M9050 11 speed rear derailleur, featuring precision sealed cartridge bearings in both pulley wheels for the low friction, long life operation that XTR commands. The guide pulley uses extra long teeth specifically designed to improve chain wrap and