Lots of info to be found on this site on porting, use search feature, maybe not specific to the hobbit stock cylinder but same principle. Little bit of searching and you'll have more threads than you'll know what to do with. Hobbit gurus might know better than me and will probably chime in here to help you but the TJT might be a little extreme for a stock cyl set up, you might benefit more from knotching your stock vario plus that will save you a bit of cash plus the TJT vario plate has not been in stock for quite some time now.
Re: Hobbit clutch spring
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