Praxis Works Girder Carbon M30 MTB Crankset
When installed on a Praxis mtn crank : DM-A = 49mm NON-BOOST Chainline.
When installed on a Praxis mtn crank : DM-B = 52mm BOOST Chainline.
Note: Chainline is critical. Do NOT install another brand DM ring on a Praxis Mtn crank as the chainline will not be correct 49mm or 52mm Boost.
Carbon arm construction
170 / 175 | 3-bolt direct mount ring interface
M30 Spindle | Requires Praxis M30 BB
Wave Tech DM ring 49mm or Boost 52mm chain line
Works with 10/11/12sp chains
Mfr Claimed Weight
542g (175 with 32T)