Here is a few links on what size of wheel and hub you will
need for your fatty mount on the stock ruckus motor.
We are not affiliated with the sellers. This is only who we recommend to buyers
seeking these parts.
10x8 3+5 4/137 Wheel is needed $45.58 Shipped
CLICK IMAGE
12x8 aluminum: http://www.amazon.com/Douglas-Wheel-Red-Label-Aluminum/dp/B0041QNRX6/ref=sr_1_1?ie=UTF8&qid=1352856130&sr=8-1&keywords=12x8+3%2B5