Somebody (maybe Matt from Tyga, can't remember) said that some RS wheels can be made to fit. Choose the narrower of the RS sizes, and it has to run in reverse, also you will have to keep the chain near the middle of it's adjuctment, and you *may* have to file off a little from the rear caliper. Not sure if memory serves correctly ... I never got around to doing it.

J
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MC28 SE -sold-
MC21 with RS250 engine -for sale-
MC21 race bike -soon for sale-