Can also be used with 8-mm socket driver for hexagon screws, for increased strength.
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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
Images with dimensions
Product Name
Art.
N°
tacche
mm
Ø
mm
S
mm
039710010
3971
8
8
38,8
25