Raleigh Bicycle Company for the production of fuzes. Bicycle production was reduced to approximately 5% of its peacetime capacity. In 1939, Raleigh opened a bicycle factory at 6 Hanover Quay, Dublin, Ireland and commenced bicycle production there. The Raleigh (Ireland) business expanded and moved to 8–11 Hanover Quay, Dublin in 1943. The plant produced complete bicycles and Sturmey-Archer hubs, and remained in production until 1976, when the factory burned down. Models produced there latterly were the Chopper and Triumph 20. The head badges changed in the late 1960s, possibly after the passing of the Trade Descriptions Act in the UK. Dublin-made machines no
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