Halfords Advanced 12/16-Notch Bottom Bracket Tool 41/46mm

Halfords Advanced 12/16-Notch Bottom Bracket Tool 41/46mm

• Double-ended design: One tool, two fittings: 46mm 12-notch and 41mm 16-notch.

• Fits SRAM DUB BSA and other large-threaded bottom brackets (12-notch).

• Fits Shimano Dura-Ace, XTR, and Token bottom brackets (16-notch).

• Extra-long handle provides added leverage for tight or stuck bottom brackets.

• Precision-fit splines reduce risk of slippage and damage during removal.

• Workshop-grade durability: Built to resist bending, flexing, and wear.

Whether you're upgrading your drivetrain or servicing your bottom bracket, the Halfords Advanced Bottom Bracket Tool makes the job simple, smooth, and slip-free. Designed with two precision-engineered tool fittings - 46mm and 41mm - it covers a wide range of external threaded bottom brackets, including SRAM DUB BSA and Shimano Dura-Ace BB-R9100.

Built for strength, comfort, and workshop-quality performance, this is the ideal tool for home bike mechanics and professional bike shops alike.

Compatibility:

46mm 12-notch end fits:

• SRAM DUB BSA bottom brackets

• Rotor BSA30

• Race Face Cinch

• Other similar external threaded BBs

41mm 16-notch end fits:

• Shimano Dura-Ace BB-R9100, BB-9000

• Shimano XTR SM-BB93

• Token threaded bottom brackets

Not compatible with:

• SRAM T47 DUB

• Other Shimano external bottom brackets (due to smaller diameter on Dura-Ace and XTR models)