Probably the cheapest bike rental place in town as far as I know. They go as low as 2,000 baht a month for up to a 125 with insurance. They’re located off of Sukhumvit on Khao Noi in one of the Chok Chai Villages. You can find all of their contact info on their site.

Kessaya Motorbike Rentals

I’m currently renting one for a month to try it out…Honda Click…2,000baht/month

Oh…forgot to mention if you rent for a month or more you get a free massage at Win’s Massage on Soi Chaiyapoon. I’ve already used up my free coupon…”Iz Nice”!

Also, he has a few for sale as well at the moment