Park Tool Steel Bottom Bracket Tool BBT-179 low speed compression 5mm Depth 20mm Material Aluminum Model Name-Charger Lock On

Park Tool Steel Bottom Bracket Tool BBT 179 low speed compression 5mm Depth 20mm Material Aluminum Model Name Charger Lock On 5mm Depth 20mm Material Aluminum Type Tubeless Color (H S R) Black Weight 1090g Axle Size Dirt Jump Textured file style shoulders with a full slick center tread for the lowest possible rolling resistance and high efficiency on smooth surfaces Fits 12 notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 45–47mm and a minor diameter (inside of notches) of 44mm Constructed from precision machined 4140 steel the BBT 179 is a heavy duty tool for the removal and installation of select bicycle components with an 12 notch tool fitting