"After three months, 20,000 photos, and more than our share of hurdles (especially finding parts), we’ve completed another Redline Rebuild time-lapse video. This time around, Hagerty’s Davin Reckow tackles a two-wheel project, a bit of a Frankenstein bike with the heart of a 1957 Harley-Davidson XL Sportster. No seriously, its engine is an ironhead V-twin from a first-year Sportster."