Tru-Tension Cycle Muck Monkey Chain Brush FACTOR it grips the chain securely

it grips the chain securely without the need for a chain guide

Dual-Action (DA) doubles volume with each stroke and inflates tires to 120 psi / 8 bar

ready to snap into the CM-25 Professional Chain Scrubber

Material: Aluminum anodized

SHIMANO's SM-JC41 Junction B is the central connector for DI2 systems

Tru-Tension Cycle Muck Monkey Chain Brush FACTOR it grips the chain securelyThe Tru Tension Muck Monkey is the essential cleaning brush dedicated to keeping your chain looking its best, and in prime working condition. With four brushed faces you can work dirt loose on every surface of your chain, even in those hard to reach places. The Muck Monkey is designed for regular use with a mixture of short and long durable bristles to remove even the toughest dirt. Features Easy to UseProlong Sprocket LifeIncrease Chain LifeOptimise