"M6 x 20mm Bolts (2). Keeping your bike properly maintained will prolong its life and reward you with more miles from your gears, cables, chains, chainrings, freewheels and cassettes. A small investment in this often over looked area will save pounds in the long run. Weldtite offer a great range of lubes, tools and replacement components. M6 x 20mm Bolt. Can be used as replacement for lost, worn or damaged part. Features. M6 x 20mm Bolt (2). Can be used as replacement for lost, worn or damaged part."