PARK TOOL Bottom Bracket Tool - BBT-22

The BBT-22 is designed for Shimano and ISIS Drive splined 20-tooth bottom bracket cups. It is not compatible with press-fit bottom brackets or other bottom bracket standards.

It is primarily designed for Shimano and ISIS Drive systems, but it will work with other brands that use the same 20-tooth splined cup interface, such as Truvativ, Race Face, and FSA.

You can use a 3/8-inch drive torque wrench, a 3/8-inch ratchet driver, a 32mm wrench, the Park FRW-1 Freewheel Remover Wrench, or a 1-inch wrench.

Clean the tool with a dry or slightly damp cloth after use and store it in a dry place to prevent rust. Inspect the teeth periodically for wear.

The BBT-22 is considered shop-quality, meaning it is durable and precise enough for professional use, but it is also excellent for home mechanics who perform their own bike maintenance.

No, the BBT-22 is specifically for older Shimano and ISIS Drive splined 20-tooth bottom bracket cups. Modern standards like SRAM DUB or standard BSA threaded external bearings require different tools.

Ensure you are using the correct tool for a 20-tooth splined Shimano or ISIS Drive bottom bracket. Verify that the tool's teeth are fully engaged with the cup's splines and that the cup itself is not damaged or excessively worn. Use a 3/8" drive ratchet or torque wrench for consistent pressure.

Confirm that the bottom bracket is indeed a 20-tooth splined Shimano or ISIS Drive type. This tool is not compatible with press-fit, Campagnolo, or other bottom bracket standards. Check for any debris or damage on the bottom bracket splines or the tool's teeth.

Ensure you are using an appropriate driving tool, such as a 3/8" drive ratchet or torque wrench, which provides good leverage. Make sure the tool is fully seated on the bottom bracket cup to maximize grip.