No fitting shim but should work fine with current one from derailleur. Reasonable condition.
K-Edge Pro Road Bike Braze-on Chain Catcher with SRM Magnet NEW RRP £39.99
K-Edge Pro Road (Braze-On) Double Chain Catcher - Black Anodised
Pro Bike Chain Cleaner Scrubber Tool Kit MTB Road Bicycle Cleaning Brush Set
