Hawk BB30 for 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.

There are 3 different bearing choices to best meet your needs:

• Standard Bearings: Use for road bikes in dry/no salt environments.
• Full Stainless Steel Bearings: Use for extreme distance riding (>200miles/week), BMX, MTN, Cycle cross, and other varying conditions.
• Full Stainless Steel Bearings with CX Seals: The CX seal is for riding conditions where water, dust, and debris can get into the bearing and degrade it prematurely. Use for MTN, BMX, Cycle Cross, or other wet and dirty conditions. NOTE: This is not for timed road biking as the extra seal slightly increases wattage.