Park Tool Brush for GSC-1 chains Brush for GSC-1 chains Product details: Park Tool Brush for GSC-1 chains The GSC-1 Park Tool chains brush is of resistant nylon and has a unique design with a long and comfortable handle and with a toothed curve that perfectly cleans among the pignons. In addition, it has rigid bristles that clean the derailler and the chain. This Park Tool brush avoids the wear of your chain and wheel free and works perfectly with brakes or other elements that accumulate dust. It has the ideal format to bring it where and when you want.
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