Park Tool Brush Set BCB 4.2A clean bike looks great, performs better, lasts longer, and is easier to maintain. Now, with the new BCB 4 Bike Cleaning Brush Set, having a clean bike has never been easier. Sure Grip dual density handles insure a positive grip even with wet hands. The BCB 4 contains four brushes, each specially designed for a specific cleaning purpose: The ""Y" brush is for large tube and tyres. It will wrap around these to clean. The wire can also be bent to