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how can i make my bike faster
o.jeff said 2007-11-04 18:28
orite i have got an derbi senda r and i have made it motocross and put an 80 kit on put race sized sprokets on and it will do roughly 75mph but is there anyway i can add a bit more acceleration or top end because i might start enduro or motocross racing but i will need a bit more speed because i will be against tuned 85s and 125s