BCB-5 Professional Bike Cleaning Brush Set includes five unique cleaning tools purpose-built for scrubbing away dirt and grime, with long ergonomic handles for leverage and comfort. The soaping brush, bottle brush and straight brush feature bristles made from tampico, a natural fiber derived from the agave plant. Tampico is extremely durable, resists chemicals, and holds moisture well, making it an ideal material for cleaning brushes.Soaping Brush Great for making an initial pass over the bike, dispersing soapy water and breaking up large accumulations of debrisTapered Bottle Brush A general purpose tampico brush for scrubbing areas both big and smallStraight Brush A long-reach brush with short, tight tampico bristles for getting into small nooks and crannies such as suspension pivots, saddle rails, and other hard to reach areasDrivetrain Brush Long, stiff nylon bristles make this brush ideal for derailleurs, cassettes, and other areas with grease or dirt build upSoaping Sponge Useful for applying soap and water as well as cleaning delicate surfaces, with a convenient wedge shape Park Tool BCB-5 Professional Bike Cleaning Brush Set Cleaning Tool UPC: 763477001221