Raleigh Chopper alloy tubing, rather than the originals' steel, to make the bicycle lighter. The wheels are again 20 inches for the back wheel and 16 for the front wheel. The MK3 remained in production until 2009. In which the model was replaced by the slightly changed mk4 model. Since then there have been many editions of the Chopper, with the current mk5 still in production to this day. 2019 will mark the 50th anniversary of the Raleigh Chopper. Raleigh Chopper The Raleigh Chopper is a children's bicycle, a wheelie bike, manufactured and marketed in the 1970s by the Raleigh Bicycle Company
Merlin (bicycle company) Merlin (bicycle company) Merlin Metalworks, Inc. was a pioneer in titanium bicycle design and construction. Merlin introduced the first titanium alloy mountain bike, oversized tubesets, s-bend chain and seat stays for mountain bikes. For road bikes, Merlin commercialized the first titanium butted tubing and many other innovations. The company was founded in 1986 by Gwyn Jones, Gary Helfrich, and Mike Augspurger in Cambridge, Massachusetts They were the first to manufacture bicycle frames constructed solely from titanium. Merlin became known for their meticulous and visually pleasing puddle welds. The first Merlin frame was a mountain bike frame custom-built for the defending