Interesting that there are 2 x 6 Volt 13 Ampere batteries, one for the left cylinder coils and one for the right cylinder coils..... and that the coils are the same as on all the 6 Volt road and competition bikes produced in the Jawa and CZ range.Also that the CZ own manufactured rear shock absorbers look very similar, externally, to the 1980's to 2000's rear shock absorbers used on Jawa and CZ's road bike range.I'm wondering how many other components are shared with production bikes.