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. Regular use of Citrus ChainBrite; and the CM-5.3 and regular use of a quality chain lubricant will reduce gear system wear and friction and promote smoother, quicker shifting
 
A handy flip-top lid on the bottle makes spill free pouring easy
16 oz. (474 mL) bottle