Increase the performance and life of your bike chain with the high-quality F100 chain brush from Dr. Wack Chemie GmbH. This cleaning brush supports the action of the F100 chain cleaner & the F100 Bio chain cleaner and allows, thanks to the different brush heads, a thorough cleaning of the entire transmission of your bike. The strong bristles of the brush evenly distribute the cleaner and reliably dissolve lubricant residue, sand and road dirt in the chain and sprocket, improving the smoothness of your bike chain. The operation is simple and easy, no special technical knowledge is required. Simply apply F100 Chain Cleaner or F100 Bio Chain Cleaner and thoroughly clean the targeted areas using the brush. Then rinse the product with a strong jet of water and lubricate the chain with chain oil. Thanks to the double-tip design of the brush, even hard-to-reach places are easily accessible. The Dr. Chain Cleaning Brush Wack is perfect for those who value good maintenance - regardless of the type of bike - mountain bike, downhill, racing bike, BMX, ebike, or others - it is one of the best accessories on the market for optimal use of cleaning products. Our F100 chain brush ensures the good performance of your chain and keeps your bike in optimal condition.