Hawk Racing ENG Threaded Bottom Bracket BlackOur award winning ENG Threaded bottom bracket is designed for use with a BSA threaded frame. It comes in 8 different colors and can support 24mm cranks such as Shimano and FSA. The ENG BB can be used with 22 24mm SRAM GXP Truvativ cranks with the addition of our adapter kit (select SRAM crank below).

Designed in collaboration with the INEOS Grenadiers Cycling Team

XX SL Transmission is the evolution of our World Champion

no limitations

it offers state-of-the-art technology for full power transfer

Weight: 355g ± 10g

The stiff construction creates a stable pedaling platform for excellent power transfer

Round profile rolls well and excels on hardpacks and well worn trails

In addition to this shape maximizing shifting performance and upgrading the aesthetics of any bike

5 sports wide‑range gearing

it employs a low stack height midsole and new Power Zone lace guides that reduce weight and increase pedaling stability

No more recycled grime all over the chain

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