Park Tool Bio Chainbrite CB-4 474ML Price Group:Price_S - High tech fully reflective

- High tech fully reflective fabric

Alloy barrel and handle

A flat tire doesn't have to spell the end of your ride

Remember your first bike

and T25 Torx-compatible driver

Park Tool Bio Chainbrite CB-4 474ML Price Group:Price_S - High tech fully reflectivePark Tool CB 4 is a 100% biodegradable, natural, plant based degreaser formulated for use in the CM 5. 3 Cyclone Chain Scrubber, CM 25 Professional Chain Scrubber, or with a scrubbing brush as a general purpose degreaser. When used with a chain cleaner, CB 4 gets bicycle chains clean inside and out so they're good as new. Will not harm alloy, plastic, rubber, or carbon fiber parts, so it's safe to use for cleaning cassettes, chainrings, pulleys, or