These come stock on XTR 980/985 and Saint 820 derailleurs

While spinning the pedals backwards

These luxury microfibre cloths will make the results of cleaning

Phillips #2

The BBT-29 from Park Tools is a double ended tool that will handle both 48

SRAM NX 11 Speed Rear Derailleur - 11 Speed Exclusive These come stock on XTRThe SRAM NX X HORIZON rear derailleur provides the same smooth, reliable shifting action as XX1 from the larger upper pulley offset to the 12 tooth X SYNC pulley wheels. By eliminating unwanted chain movement, X HORIZON shifts faster, puts an end to ghost shifting and reduces shift force and chain slap. And with CAGE LOCK technology, wheel removal and installation are easier than ever. X HORIZON design that reduces shift force, ghost shifting and