Aloha from The Big Island of Hawaii, with snow on MaunaKea 13000 foot elevation, and Lava on the slopes of MaunaLoa...plus the sun and surf. OK, after researching for over a year, looking at the Bionics, Matt Shumaker's recombant, being inspired by project M85, and the concept Derbi 2.0... I would put links to all these cool bikes, but this website wont let me. I'm building my first motor-bike. A 2004 yeti DH-9, with a GEBE Tanaka 40cc. I'm building a custom rear wheel using a 1.6 x 21 excel rim from a dirt-bike, stainless 10 guage 36 spokes laced to a Chris King heavy duty hub, the rear tire will be a Michelin 2.75 x 21 trials tire. hopefully this will be an almost indistructable combination. I enjoy pedaling, but sometimes the terrain gets pretty steep. Any and all advice will be appreciated, both positive and the not so positive.