Features:1. It can clean chains， freewheel cogs， chain rings quickly and easily. 2. Incorporates an extra large reservoir and two step cleaning process to draw metal particles away from chain 3. Works with all multi-speed bicycles and some single-speed models 4. Effectively keeping them from being redistributed on the chain during cleaning Description:Size: 13cmx 4cmx 6.5cmColor:Blue Package included:1x Bicycle Chain Cleaner