Park Tool BBT-18 Bottom Bracket Tool gear-size-48t and 2 small trays for

and 2 small trays for parts and fasteners

unless found in shops labeled as Calibur+

J&R Helpful Hint: This rim is not front or rear specific

Deep V for added strength

Park Tool BBT-18 Bottom Bracket Tool gear-size-48t and 2 small trays forThe Park Tool BBT 18 Bottom Bracket Tool has 8 notches with an outside diameter of nominally 43. 4mm. The inside to inside width is approximately 38mm. Each notch is approximately 3. 9mm wide. The hole in the center of the casting is 22. 5mm and will not fit over the 30mm spindles. It can be used with a 36mm socket or open ended wrench. The BBT 18 is a heavy duty, investment cast tool for installing and removing the following eight notch bottom