A bottom bracket built to outlast your frame. BB ALPHA features hardened stainless-steel races hand-built with grade-3 Silicon Nitride ceramic balls, custom-engineered seals and precision dust covers, delivering up to 500% better moisture protection, while still providing ultra-low friction performance. The simplified spacer tube design and lighter cups ensure quick installation and a 10% weight reduction over previous generations. All CeramicSpeed BB ALPHA models are backed by a lifetime warranty.

Precisely pair a 24mm axle crank from Shimano or other brands with a threaded T47 frame that is 68mm wide with bearings placed outboard by selecting this high quality bottom bracket from CeramicSpeed.

In the box:

• BB ALPHA for T47/68 Shimano Road
• UFO All Round Grease 5 ml
• Decal

Discipline – Road, Tri, and Track
SKU – 115440
Net weight – 115.0 g
Gross Weight – 226 g
BB Type – T47 68mm
Crank Diameter – 24.0
Crank Brand – Shimano