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Old 07-08-2012, 12:24 AM
bigbutterbean bigbutterbean is offline
Join Date: Jan 2011
Location: Lebanon, PA
Posts: 2,420
Default Re: Newbie Just saw a motorized mountain bike!

hill climbing is all in the drivetrain and tuning with these little china engines. a tuned pipe never hurts anything. you have a few options for drivetrain. the kits usally come with a 44t rear sprocket. you can get a larger sprocket for better climb, but you will give up some speed. another option is a shift kit, which allows the bicycle's gears to act as a drivetrain for the engine. i am not sure how good the shift kit is for off-roading, but you can always piece together a do-it-yourself'er with a higher horsepower engine, such as a briggs, predator, morini, or the like.
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