The ThreadFit 30 bottom brackets are designed and built to be durable, serviceable, and silent. Bearings can be serviced with the Chris King Grease injector tool.

• Legendary King made-in-house angular-contact bearings
• Fully serviceable and backed by the King Lifetime Warranty this bottom bracket will outlast your bike
• Included Fit Kit #3 is designed to mate the ThreadFit30 bottom bracket with a 30mm spindle