RockShox ZEB A1+ DebonAir+ Buttercup Air Spring Upgrade Kit - 150 mm ZEB A1+ MFPN=BAA1189R 36t is the smallest number

36t is the smallest number of teeth that fits on a 120 BCD

Rear Derailleur: Shimano XT RD-M8100 SGS Shadow Plus / 12 SpeedCassette/FreewheelShimano Deore CS-M6100-12 / 10-51 T

WTBs I-Beam construction has evolved to further reinforce the rim with dual support beams that provide increased strength and stiffness for the worlds most aggressive riders

Choose Low Volume (LV)

The other waxes on this list areexcellent as well

RockShox ZEB A1+ DebonAir+ Buttercup Air Spring Upgrade Kit - 150 mm ZEB A1+ MFPN=BAA1189R 36t is the smallest numberRockShox ZEB A1+ DebonAir+ Buttercup Air Spring Assembly Upgrade Kit 150 mm. The new DebonAir+ is built to strike the perfect balance of what riders really want: butter like small bump feel increased air volume to add support throughout the travel and higher overall ride height for more confidence when things get steep.