Park Tool Steel Bottom Bracket Tool BBT-135-12 Model=Italian Bottom Bracket Easy to use dials with

Easy to use dials with highly vivible digits that provide a high level of ergonomics

you’ll get accurate speed and distance at all times even without a head unit

}Shimano SBC OSBB BB30-Shim

}Shimano Alfine CN-HG93 Chain - 9-Speed 116 Links Silver

Park Tool Steel Bottom Bracket Tool BBT-135-12 Model=Italian Bottom Bracket Easy to use dials withConstructed 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)