Park Tool Bio Chain Brite Active this lightweight and breathable smart

this lightweight and breathable smart sleep band comes in two sizes

Rotor Size = 160mm

Fiber content: • Shell: 57% Merino Wool

225gsm AirTech 3D-Eco™ at main body

Park Tool Bio Chain Brite Active this lightweight and breathable smartPark 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