The bikes have prototype chassis like those used in Moto2 and use full-slick tyres (unlike Supersport), but their engines must adhere to Superstock600 regulations, with an output limit of 128 hp.
Mason Law is the reigning champion having claimed the 2020 title racing for Spirit Moto Corsa.
The series gave equal opportunity and level playing field for emerging talent across eight events incorporating 20 points-scoring races.
In 2015 at the Snetterton Circuit, Thomas Strudwick became the youngest ever rider to win a British Championship Race at 13 years, 247 days beating previous record holder Kyle Ryde.
The 2016 KTM British Junior Cup was won by 15 year old Aaron Wright from Northern Ireland.