Park Tool Fluid Bio Chainbrite (CB-4) size-11-46 the HRC+ Grip Sock is

the HRC+ Grip Sock is the one to cross the finish line with

SENSOR RUBBER: Sensor rubber compound engineered for durability and grip

Battery life: up to 120 hours

the PD-ME700 pedals let riders focus on the trail ahead

Greg Minnaar

Park Tool Fluid Bio Chainbrite (CB-4) size-11-46 the HRC+ Grip Sock isAbout Park Tool Fluid Bio Chainbrite (CB 4)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 they're good as new. Will not harm alloy, plastic, rubber, or carbon fiber parts, so it's safe to use for