Weight class (boxing) names of the new divisions are not standardized between different sanctioning bodies, although the cutoff weights are. These weights are specified in pounds, reflecting the historic dominance of Britain (and, later, America) in the sport. A nonstandard weight limit is called a "catchweight". A catchweight may be agreed to for an individual bout—sometimes even for a championship bout—but championships are awarded only at the standard weight classes. For example, when Manny Pacquiao fought Antonio Margarito at a catch-weight of 150 pounds, the World Boxing Council sanctioned this as a title fight for jr. middleweight, whose limit is 154 pounds. This
Derek Minter riding Nortons in home short circuit races. The new team were to use older 1950s Gileras on which former World Champion rider Duke had much success, but which with the newer, upgraded tyre technology of the 1960s were considered still competitive. The team was devised by Duke to challenge the domination of Mike Hailwood on the MV, and had early successes at Silverstone and Brands Hatch in the UK, and Imola in Italy. In May 1963, whilst riding a 500 cc Manx Norton at Brands Hatch, Kent, Minter was involved in a battle for the lead with Dunstall Norton rider