JINYI EASY OPERATION: The chain cleaning process is very easy. Works wit all type off Bikes. Simply fill the chamber with your choice of cleaner. Just mount the chain scrubber under the bike chain, and use the pedal to turn the chain counterclockwise direction for cleaning. with the bicycle chain clean tool set, men and women riders bicycles always get a full and deep cleaning. QUALITY MATERIAL FOR DURABLE USE: The bike chain scrubber is made of Heavy Duty quality plastic material which is hard to be broken. No need to remove the chain from the bicycle. Bike riders could repeatedly use this bike chain tool set for bike maintance. DEEP BIKE CHAIN CLEANING: The bike chain gear cleaner liquid (not Included) could pick out the dirt inside the bike wheels to deep clean the dirt at every corner of the bike chains. After a deep bike care, the bicycle will look clean as before. Delivery Quantity: 1pc, Package Contents: Only the above package contents, excluding other products. Size: Fits most bicycle chains (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color: blue (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)