Originally Posted by motorbicycling_hunter
my needs are not speed but reliability and torque for steep off road hills miles away from help if a breakdown should occur.
i have a GIANT made 25" frame non suspension mountain bike for a start and a $500 budget.
A 2 stroke engine kit and a heavy duty shift kit from www.SickBikeParts.com
would be under your budget and climb hills like a mountain goat.