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 of Nottingham, England. Its unique design became a cultural icon and is fondly remembered by many who grew up in that period. The design was influenced by dragsters, "chopped" motorcycles, beach buggys, and even chariots, as can be seen on the centre page of the 1969 Raleigh US catalog. The Raleigh Chopper's design has been a constant debate, with claims by both Tom Karen of Ogle Design and Alan Oakley of Raleigh. The Chopper was designed in
Bicycle suspension Horst Leitner began working on the problem of chain torque and its effect on suspension in the mid-1970s with motorcycles. In 1985 Leitner built a prototype mountain bike incorporating what became known later as the "Horst link". The Horst Link is a type of four-bar suspension. Leitner formed a mountain bike and research company, AMP research, that began building full-suspension mountain bikes. In 1990, AMP introduced the Horst link as a feature of a "fully independent linkage" rear suspension for mountain bikes. The AMP B-3 and B-4 XC full-suspension bikes featured optional disc brakes and Horst link rear suspension very