WOLFTOOTH stainless steel screw M4x25
If the 40 or 42 mm cassette extension used by Wolftooth, it is with Shimano derailleurs are needed, to replace the B-Screw against a Longer. This screw is the distance between the pinion and jockey wheels can be adjusted perfectly to the larger sprocket.
Material: stainless steel
Dimensions: M4 x 25 mm
Weight: 2.9 g
Scope of supply: 1 stainless steel screw
Note: Does not fit on all models - please remeasure ago exactly!