Park Tool BO-4 Corkscrew Bottle Opener KIDS it bolts just like a

it bolts just like a stock disc would

5" (for mtb) and 650b have the same rim diameter

11-13-15-17-20-23-26-30-34-39 (11-39t)

Cage Lock mechanism for easy wheel changes

Internal Width 25mm 25mm

Park Tool BO-4 Corkscrew Bottle Opener KIDS it bolts just like aThe BO 4 is a combination corkscrew and bottle opener complete with knife foil cutter. Made in the tradition of our premium quality fold up tools, it folds for storage and features all stainless steel mechanisms housed in a forged aluminum case. This is a top quality beverage tool perfect for the workbench, toolbox or wine bar. Features Corkscrew, bottle opener, and foil knife Stainless steel mechanisms Forged aluminum case Mfr Claimed Weight TBC