e*thirteen Press Fit Bottom Bracket Comfortmax Developed with SRAM Exogram™ technology

Developed with SRAM Exogram™ technology

internal channeling forces air to flow over the scalp

This Product Includes

Available in 20 and 35mm rises

Once installed

e*thirteen Press Fit Bottom Bracket Comfortmax Developed with SRAM Exogram™ technologyOur BB30 and PF30 bottom brackets are thread together systems, which eliminate the creaks common in non thread together bottom brackets. Our BB92 bottom bracket uses industry exclusive, dual row bearings to fit big performance into a small BB shell, with a center tube to seal the BB shell. Specifications Compatibility: BB30 = 42mm Shell Diameter PF30 = 46mm Shell Diameter BB92 = 41mm Shell DiameterFeatures: PF30 BB30: Thread together system eliminates