The new SRAM DUB crank standard, built on a 28.99 spindle, allows for a more contamination resistant BB design, while retaining the ultra-efficient & long-lasting qualities CeramicSpeed Bottom Brackets are known for.

With an integrated dust cover for all models, a snug & secure fit that also fully protects the face of the bearing delivers exceptional performance without any sacrifices. CeramicSpeed hand-built bearings carry the load from crank to frame with un-paralleled durability & efficiency.

In the box:

• 2 cups with CeramicSpeed Bearings installed
• 2 dustcovers
• Spacer tube
• 4 x 1mm spacers
• 4 x 3mm spacers
• All Round Grease
• Decal