Park Tool Bottom Bracket Tool BBT-22 Shimano & Isis drumbeat21-474 or as a take-along tool

or as a take-along tool for trailside adjustments

Construction

MIPS technology

T25 Torx-compatible driver

It also features convenient goggle storage and a mount for attaching an action camera

Park Tool Bottom Bracket Tool BBT-22 Shimano & Isis drumbeat21-474 or as a take-along toolThe BBT 22 is a shop quality tool for installing and removing Shimano and ISIS Drive splined 20 tooth bottom bracket cups. Made from investment cast steel, the BBT 22 utilizes a flat tooth profile to ensure maximum engagement with the bottom bracket cup. Can be used with a 3 8" drive torque wrench, 3 8" ratchet driver, 32mm wrench, FRW 1 Freewheel Remover Wrench, or 1" wrench.