ACS Crossfire BB cup set Black MFPN=51279 and bottom out resistance at

and bottom out resistance at a lower weight than the previous OTT

Model Float SL Factory SV Stroke 40mm Eye Eye-190mm Bore Size 40Mm Valving Type SV

Tooth Count 36 Round or Oval Round Drivetrain Speeds 12 Drivetrain Speeds 11 Drivetrain Speeds 10 Direct Mount Type Direct Mount SRAM Defined Color Black Ring Position/Type Single Ring Position/Type Chain Retaining Single Ring Offset 3 Chainring BCD Sram Direct Mount Color Black Material Aluminum Material Aluminum Chainline/Hub Compatibility 141/148 Boost Hubs

ISM4D rim machining reduces weight from less stressed areas to close the gap to carbon rims without compromising strength

ACS Crossfire BB cup set Black MFPN=51279 and bottom out resistance atForged and CNC machined aluminum with precision sealed bearings for 2pc cranks and 24mm spindles BSA 1. 37"x24T for 68 73mm shells Model Crossfire Spindle Interface 24mm Shell BSA Shell ID 33. 6mmx24tpi Width 68 73mm Color Black