Tools

Park's FR-5 Cassette Lockring Tool fits most cassette lockrings from Shimano, SRAM, SunTour, Chris King, and SunRace. Made from heat-treated tool steel, the FR-5 features an extra-long splined body to prevent slippage and can also be used to remove and install Shimano disc brake rotors. The FR-5 requires the use a chainwhip tool (sold separately) to prevent the cassette from turning during lockring removal.

Park's Gear Clean Brush has a handle on one end with a curved, serrated edge perfect for cleaning between cassette cogs. The other end's tough nylon bristles are ideal for cleaning the derailleurs, chain and other drivetrain parts to keep them clean and prevent premature wear. It also works great on brakes and other components that collect dirt and grime. The GearClean easily fits in a toolbox or pack.

Park's Chainring Nut Wrench makes chainring bolt installation and removal easy. It securely holds the slotted nut to prevent spinning when tightening or loosening the bolt. And, it's double-ended to fit most slotted-type nuts, including Campagnolo chainring bolt nuts.