PARK TOOL CB-4 Bio Chain Brite giant alpcrossing

alpcrossing

Flex Connector allows bike to lay flat while trailer remains upright

Installed Dia

compatible with linear-pull and mechanical disc brakes

Popular for cargo

PARK TOOL CB-4 Bio Chain Brite giant alpcrossingPark 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