Park Tool Bottom Bracket Tool BBT-22 Shimano & Isis drumbeat21-474 May we introduce the all-new

May we introduce the all-new

Built-in visor

Construction

- Fits 26" and 700c frames

The Giro Source MIPS is a high quality MTB Helmet that does everything well - safety

Park Tool Bottom Bracket Tool BBT-22 Shimano & Isis drumbeat21-474 May we introduce the all-newThe 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.