PARK TOOL CB-4 Bio Chain Brite giant Installed Dia

Installed Dia

alpcrossing

Simple installation by just removing the screws from the bottom

Wide Trail (WT) sizes optimized for 35mm inner rim width

this is a right shifter

PARK TOOL CB-4 Bio Chain Brite giant Installed DiaPark 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