T47 is a standard created by custom frame builders. Its threaded, has an inner diameter of 47mm, and is 68mm wide. It has the design benefits of being oversized and wide, but also the practical benefits of threads.

Our Gravel bottom brackets are built with CeramicSpeed Coated bearings and equipped with UFO Long Life Grease for the ultimate in durability and protection in all environments.

This kit pairs those bbs with 30mm spindle cranks. The cups have CeramicSpeed bearings pressed in. The cups come with CeramicSpeed Bearings installed, coated bearings and hardened-steel races for longer life and less bearing drag.

This BB is compatible with 68mm frames.

Bottom Bracket tool for installation: BBT-79.

In the box:

• 2 cups with bearings installed
• 2 1mm spacers
• 2 0.5mm spacers
• 2 dust covers
• O-ring
• Spacer tube
• Long Life Grease
• Decal