Park Tool CB-4 Bio Chain Brite MFPN=SCH020193S0100 } Advanced quick drying chain

} Advanced quick drying chain cleaner that has been designed and tested to remove heavy chain grime quickly and safely without the need for rinsing

Made in the US out of 7075-T6 Aluminum

Spoke Profile Double Butted Color Black Thread Diameter 2 Length 302 Spoke Interface J-Bend Defined Color Black

0 Length 230 Defined Color Silver Spoke Interface J-Bend

Park Tool CB-4 Bio Chain Brite MFPN=SCH020193S0100 } Advanced quick drying chainPark Tool CB 4 Bio Chain Brite. Park 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 theyre good as new. Will not harm alloy plastic rubber or carbon fiber parts so its safe to use for cleaning cassettes