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3971

Wrench for Shimano plastic bolts

• For installing and removing 8-notch counterbalance cap of Shimano Hollowtech II cranksets
• Suitable for Shimano Hollowtech II cranksets

​Can also be used with 8-mm socket driver for hexagon screws, for increased strength.

Images with dimensions

Product Name
Art.
N° tacche
 mm
Ø mm
S mm
039710010
3971
8
8
38,8
25