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Aluminium washer to fit axle, front or rear screw, in Trial and Biketrial bicycles. Compatible with all allen M6 screws. Protect the screw against hits, eviting the broke of the screw. Maximum diameter 19mm. Width 7mm. Internally serrated side to get the maximum lock with the fork or frame. Black finished. 5 grams of weight.
Brand: BIKENBICI
