there's a place called bobby d's cycle service in rhode island. They have new 2004 derbi gpr50's for $3600 retail price. The new models are silver and black. more silver than black, and alittle green. I own a gpr50 with an MK 20mm carb kit, big bore 70cc kit. a metrakit racing pipe and a better crankshaft. it's also desricted. top speed is approx. 93 miles an hour.I would of put a 24mm carb on my bike, capable of letting me acheive over 100 mph but you have to take off the pump and only use premixed fuel, but that's too much off a hassle.
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