Harley Davidson 26x3.5 King Spoke Fat Spoke Front Wheel In Chrome Ultima 37-540 Harley Davidson 26x3.5 King Spoke Fat Spoke Front Wheel In Chrome Ultima 37-540. Ultima offer some of the highest quality wheels. Give your ride the royal treatment with Ultima King Spoke wheels. Offered in chrome on chrome or chrome on black. All steel construction with 48 solid spokes for durability you would expect from an Ultima product. These wheels are amazing looking and also available in Black and Chrome. These wheels fit most Harley Davidsons but if unsure please call us on 01773 835666 or Email: Sales@CustomCruisers.com and we will tell you what wheels fit your bike and instructions if necessary on how to fit them.