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Park ToolBBT-10.2 Crank Adjusting Cap Tool


Item # PAR002I

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Item # PAR002I

Crank on.

Instead of the plastic tool Shimano includes with its Hollowtech II crank/bottom bracket systems, use Park Tool's BBT-10 Crank Adjusting Cap Tool to remove and install the adjusting cap. Made from investment cast steel, the BBT-10 provides strength and leverage to easily remove seized caps or make small adjustments.

  • Easily adjust your Hollowtech II cranks
  • Strong, durable, investment cast steel
  • Compatible with an 8mm hex for added leverage
  • Built in safety plate hook
Tech Specs
Tech Specs
Shimano Hollowtech II
Recommended Use
Manufacturer Warranty
limited lifetime

Reviews & Community


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Removing the Crankset

  • Familiarity: I've used it once or twice and have initial impressions

Seems super durable and the coating will last a long time especially with removing the plastic screws cap on Shimano Cranks. Very simple to use; before I was using a flat-head screw driver wrapped in a shop rag. Broke down to buy this and it should be one of the first tools to add to your toolbox for cycling.

Better than the plastic one

    Plastic version of this strips out too easy. Love the metal version. The perfect size so you don't over tighten the bolt.


    • Familiarity: I've put it through the wringer

    A must have tool for service when taking off shimano cranks.

    one to have

    • Familiarity: I've used it several times

    if you run shimano cranks get one to keep in to toolbox. it will save you time and headache at some point.

    One of my favorite tools in the toolbox

    • Familiarity: I've put it through the wringer

    The original BB10 was a great tool, and one of my favorites. Adding the prong to remove the safety clip from shimano cranks was brilliant and makes the tool honestly perfect in my opinion. Great if you spend a lot of time working on shimano hollowtech II style cranks.

    compact and functional

    • Familiarity: I've used it several times

    I'm building a travel bike for airline accessed riding and using some left over but still good parts to complete the build--including an XT hollowtech crankset that requires this type of tool for install. Bought this tool so it can go in my travel kit for bike assembly and disassembly. Pleased at the small size and being metal construction--iit will have durability to bounce around airports in my travel case and still function properly when needed. Great for you home mechanic tool kit too. Get one.