Park Tool CB-4 Bio Chain Brite MFG Part Number-6870 Dynamic profiling is comfortable for

Dynamic profiling is comfortable for long days in and out of the seat

9 Defined Color Orange Material Aluminum Type Bolt-On

We’ve taken the reliability elegance and features of Quarq’s legendary crank-based power meter and dropped the barrier to entry

Crown Race 40 Bearing Type Cartridge Bearing Type Stainless Steel Color Blue S

Accepts SWAT™ Cage Mount MTB Tool

Park Tool CB-4 Bio Chain Brite MFG Part Number-6870 Dynamic profiling is comfortable forPark 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