BBT-22 Bottom Bracket Tool Mountain the Grunge Brush is portable

the Grunge Brush is portable enough to bring to races and weekend cycling excursions too

and softens the skin of all athletes who experience chafing

replacement

Built from 100% recycled body fabric

BBT-22 Bottom Bracket Tool Mountain the Grunge Brush is portableThe 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 ensures maximum engagement with the bottom bracket cup. It can be used with a 3 8 inch drive torque wrench, a 3 8 inch ratchet driver, a 32mm wrench, the Park FRW 1 Freewheel Remover Wrench (sold separately), or a 1 inch wrench.