Park Tool BBT-9 Fits Shimano Hollowtech II Bottom Bracket Cups Softshell The most thermally efficient synthetic

The most thermally efficient synthetic insulation available

Top zippered lid compartment for storing small essentials

as well as information about their upkeep

Body:                       75D 184 g/m² DryVent™ 2L—100% recycled polyester with non-PFC                                  durable water-repellent (non-PFC DWR) finish

Park Tool BBT-9 Fits Shimano Hollowtech II Bottom Bracket Cups Softshell The most thermally efficient syntheticBicycle bottom brackets occasionally require removal for service, replacement, or upgrading. The Park Tool BBT 9 is used to remove and install select threaded bottom brackets with 16 notch tool fittings, including Shimano, SRAM GXP, Chris King, Campagnolo, and many others. This tool fitting is also found on some disc brake rotor lockrings. Additionally, the BBT 9 includes a tool that removes and installation of 8 point Shimano Hollowtech II crank arm