I've replaced the Monkey-Metal OEM chain adjusting blocks on my Tracer.
Much easier to use!
See link below...........
Motorcycle Drive Chain Adjuster.wmv - Google Drive
afternoon all , finally got round to slinging on the 43t rear , only a short ride carried out , she still goes like stink , shes smoother , easier on the twisties , better mpg from the lower revs on cruising , lovely