Product Information "Gtechniq Bike Chain Cleaner Bicycle Bike Drivetrain Degreaser" Drivetrain Degreaser is a unique, highly concentrated cleaner for chains and chain guides on bicycles, e-bikes, or pedelecs. The biodegradable cleaner is formulated with highly active surfactants, providing powerful cleaning without damaging the sensitive high-tech materials of the bike. The degreasing of chains, cassettes, and derailleurs is completed in no time. The fast-acting formula breaks down even dried grease and oil in seconds, allowing for effortless wiping with a brush or cloth. Perfect for use with chain cleaning devices. Gtechniq Bike Drivetrain Degreaser is formulated in a mild pH range and is water-based. It does not harm sensitive materials, both on the bike and on tools, and can therefore also be used with chain cleaning devices.