MOUNT STYLE OFFSET COMPATIBILITY INDICATION
104 BCD Cranks with 4 bolts with 104mm diameter-spacing N/A Sram, Shimano, Raceface and others made around 2000-2014 Measure distance across opposite chainring tab-holes
Look for spec info on your current crank or ring
94 BCD Cranks with 4 bolts with 94mm diameter-spacing N/A Sram cranks after 2013 Measure distance across opposite chainring tab-holes
Look for spec info on your current crank or ring
Direct Mount
SRAM GXP
Sram cranks with direct mount spider - using GXP BB 6mm XX1, X01, X9, X7, S2210, S1400, GX, NX Look for direct mount interface with 3 bolts on inside of spider Look for GXP logo on the crank
Direct Mount
SRAM Boost
Sram cranks with direct mount spider - using boost spacing 3mm XX1, X01, GX, NX Look for boost logo or 3mm offset on inside of chainring
Direct Mount
SRAM BB30
Sram cranks with direct mount spider - using BB-30 BB 0mm XX1, X01, X9, X7, S2210, S1400, GX, NX Look for direct mount interface with 3 bolts on inside of spider, look for BB30 logo on the crank
RFC RaceFace cranks with cinch system 6mm NEXT SL, Six C, Turbine, fatbike Look for cinch logo on the crank