Hi : Great Forum This is my first build and id like to get as much info as possible . To start with im using a 26 inch Trex Mtn bike and Grubee skyhawk 66/80 kit . Whats the best rear axle and wheel combo ,what gear ratio i see 40 -44 -5o- ect. Can i leave the speed gears on the pedal side? Id like to use a springer front end any suggestions there straight or bent?? I see a rear wheel with the sprocket mounted to the hub is and not the spokes is this a good one ? Please guys i need all the info and help i can get. thanks