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convert 4 plate sprocket to 5 plate

Posted: Tue Aug 20, 2013 10:11 pm
by mickdale
can you convert a 4 plate sprocket to 5 plate?
will it take 5 surflex b's?

cheers
mick

Re: convert 4 plate sprocket to 5 plate

Posted: Tue Aug 20, 2013 10:20 pm
by coaster
Yes but you will need thinner steels and to get it to work properly you will need to mix and match them to make sure that you have the correct clearance between the plates when full compressed (1.5mm). Good springs like those from MB are a help to. I have a couple of standard friction discs in mine to get the clearance.

Re: convert 4 plate sprocket to 5 plate

Posted: Wed Aug 21, 2013 12:30 pm
by stokky
Pete Merchant (Rochdale Solely Scooters), has some specially hardened 1mm steels

not cheap, but at least won't warp.

Oh and to be honest I got some, and they are a tad too large for basket, so needed a little filing to fit

Re: convert 4 plate sprocket to 5 plate

Posted: Wed Aug 21, 2013 6:54 pm
by coaster
stokky wrote:Pete Merchant (Rochdale Solely Scooters), has some specially hardened 1mm steels

not cheap, but at least won't warp.

Oh and to be honest I got some, and they are a tad too large for basket, so needed a little filing to fit
Mine came from Camlam, cheep as chips and haven't caused any problems in my Avanti 225...wouldn't suit an RB or fast TS1 though.

Re: convert 4 plate sprocket to 5 plate

Posted: Wed Aug 21, 2013 9:19 pm
by 10 inch Terror
I'm using the Readspeed 5 plate kit which is designed as a straight fit into standard baskets and components. It's spot on in my 20BHP Imola which no slip or drag. I'd suggest you go with those for under £50 you can't go wrong...

Re: convert 4 plate sprocket to 5 plate

Posted: Thu Aug 22, 2013 10:25 pm
by mickdale
Thanks ten inch