BBB ChainGrip Tool BTL50Modern chain-cleaning tool, for the best result within minutes. No chain dissassembly needed. Smooth chainguide mechanism inside. Made of nylon plastic with replaceable brushes.Please note: For the 135mm MTB option, the product may be delivered with either a blue or a red coloured chain guide wheel.Features: Quick-release axle system, keeps the chain under tension when the wheel is removed. Easy transportation and cleaning. Sizes: 135mm MTB and 130mm road bikes. 135mm version with disc brake pad adapter. Keeps the brake pads in place when the disc is removed.Buy BBB Workshop Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.