Park Tool BBT-9 Fits Shimano Hollowtech II Bottom Bracket Cups Softshell Body: 75D 184 g/m² DryVent™

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

Insulated:- Yes

as well as information about their upkeep

BACKPACKING TENTS WITH EXTENDED VESTIBULE

Park Tool BBT-9 Fits Shimano Hollowtech II Bottom Bracket Cups Softshell Body: 75D 184 g/m² DryVent™Bicycle 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