The Knucklebuster FacebookTweetPin Knucklebuster built by Speed City Cycle. The Knucklebuster was Best Chopper & Best in Show Winner at the Roadbike Metric Bike Show. FacebookTweetPin Related Posts Pit Stop Choppers Paddy’s Sportster | Motorcycle Suzuki GN125 Bobber Motorcycle House of Skulls Florida Harley Love For The Chopper