Shape

•  Oval (15)
•  Round (16)

Design

•  AERO (8)
•  Beach Ball (2)
•  ELM (16)
•  Xtrect (2)

Version

•  Boost (21)
•  non boost (8)
•  SuperBoost (2)

Direct Mount

•  for Cannondale Hollowgram (2)
•  for Cannondale Hollowgram Ai (1)
•  for e*thirteen (2)
•  for Race Face Cinch (6)
•  for Shimano DM 12sp (6)
•  for SRAM 3-bolts (6)
•  for SRAM 8-bolts (8)

Size

•  26T (44)
•  28T (44)
•  30T (44)
•  32T (44)
•  34T (44)
•  36T (44)
•  38T (31)
•  40T (10)
•  42T (10)
•  44T (2)