i am not sure on all the different cars, on my mugen 6 the smallest is 12-46 and i am sure you can fit a 11 on there, on my mbx5t 12-46 this is very close to being the same as the buggy and my rc8t the same, the slipp diff gears is the same as any other 46 spur so no big deal there.
good idea, i will try a normal 46spur first & see the speed
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