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

The other waxes on this list areexcellent as well

model Gradient length 170mm direct mount/BCD Gradient with 32t configuration 1x spindle interface 392EVO (73mm BB) chainline 52/55mm material aluminum color black

Cane Creek Integrated 41

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.