This is a Ducati chain adjuster tool for all Ducati single sided swingarm bikes except the 1098. It is used on the 748 916 996 998 Hypermotard Multistrada Monster S2R, S4R, 796/1100 This tool is needed to turn the eccentric hub that tightens the chain.
A loose chain is dangerous and if not taken care of serious damage can occur. This tool is CNC machined out of billet aluminum and then clear chromate plated to give you many years of corrosion free use.
All MOTOMFG tools are made in the USA and come with a 100% satisfaction guarantee from the manufacturer.