Park Tool Steel Bottom Bracket Tool BBT-135-12 Model=Italian Bottom Bracket Robust and maintenance free design

Robust and maintenance free design

FOR REAR MOTOR HUB W/ BOLT-ON

the Focus 25L Climbing and Hiking Backpack is durable

}Shimano SBC OSBB BB30-Shim

Park Tool Steel Bottom Bracket Tool BBT-135-12 Model=Italian Bottom Bracket Robust and maintenance free designConstructed from precision machined 4140 steel the BBT 135 12 is a heavy duty tool for the removal and installation of select bicycle components with an 12 notch tool fitting Features an extra deep body to accommodate extra wide spindles and low profile walls at the point of engagement for recessed lockrings Fits 12 notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 4850mm and a minor diameter (inside of notches)