Crafted by professional bike mechanics, the ZB Clean brush is a must - have 3 - in - 1 tool. It's perfect for cleaning the chain, freewheel, and derailleur. With 2 brushes (one large and one small) and 1 scraper neatly stored in the handle, it can efficiently clean those hard - to - reach spots on your bike. The large brush is great for chain and freewheel cleaning. The small brush is ideal for derailleurs and bearings. The scraper ensures accurate freewheel cleaning.

Using this Zefal Zb bike cleaning brush is easy. First, take out the large brush from the handle. Dip it in some bike cleaner and start scrubbing the chain and freewheel. Make sure to get into all the links and cogs. Next, use the small brush for the derailleur and bearings. It can reach those tight spots. Then, if there's stubborn dirt on the freewheel, use the scraper to get it off. When you're done, rinse all the tools with water and dry them thoroughly. Keep them stored in the handle to avoid losing any parts. Don't use excessive force with the scraper to prevent damaging your bike parts. Also, clean the brushes regularly to keep them in good working condition.