Park Tool BBT-10.2 Adjusting Cap Tool - Shimano Hollowtech II BPW with a generous 23mm internal

with a generous 23mm internal width

durable handle that ensures you can make light work of flats

the S-BLADE FIXED deters sneaky thieves

At 31 grams

Gavia Fondo will get you there

Park Tool BBT-10.2 Adjusting Cap Tool - Shimano Hollowtech II BPW with a generous 23mm internalThe BBT 10. 2 is a specialty tool for removing and installing crank arm caps on Shimano Hollowtech II cranks, including those found on e bikes. Includes a built in hook to lift the safety plate found on Hollowtech II crank arms, speeding crank removal. The investment cast steel body provides good leverage and includes an 8 mm hex fitting for removing seized or overtightened caps. Features Equivalent to Shimano TL FC16 or TL FC18 tool Mfr Claimed