Here’s a Sportster that’s been turned into an ice racer thanks to a 3rd wheel, specially cut tires, and some other upgrades like a Super B carb. It is apparently AMA rated and the frame has been hard tailed.
How about that sticker…
Find this ice racing, 3-wheeled Sportster for sale in Clarkston, Michigan with bidding up to $785 and the reserve not yet met