The BBS was designed to work with Specialized Carbon OSBB frames, such as the Tarmac and Venge frames. Its pre-installed bearings are compatible with 24mm crankset spindles such as Shimano and FSA. It can be used with a SRAM GXP with the addition of our adapter (select SRAM crank below).
The Pressfit 30.D bottom bracket is designed to fit PF30 frames. This bottom bracket comes with an integrated alloy center tube and a 4.5mm spacer for the crank arms. Installed are Hawk RacingTM bearings that support 28.99mm crank sets such as DUB.
The BB30.D bottom bracket is designed to fit BB30 frames. This bottom bracket comes with an integrated alloy center tube and a 4.5mm spacer for the crank arms. Installed are Hawk RacingTM bearings that support 28.99mm crank sets such as DUB.