The Jeffsy Primus range has one mission: to uncage the next generation of young talent. Drop it, chuck it, whip it – whatever the challenge, these durable bikes can take it.

This range is the ultimate catalyst for rider progression, spanning three wheel sizes and a height range of 135 cm – 165cm, and with the all-new Jeffsy Primus 27, YT‘s covering all the bases. With adjustable air suspension, powerful four-piston disc brakes, and ultra-durable aluminum frames, these bikes are your young ripper’s ticket to the big league. Get some, little shredders! Playful, fast, and infinitely fun, the Jeffsy Primus 24 is a hard-hitting kid’s bike for up-and-coming shredders between 135cm and 150cm tall. Developed for riders between 145cm and 160cm tall, it’s a YT through and through and a sure-fire hit with any rising trail superstar. Proper kit = happy kid. Hard-hitting spec! Blue like my Corvette, it’s in and outside. There’s a new kid on the block. Say hello to the all-new Jeffsy Primus 27, an aggressive ride for riders between 156 – 165cm. Blue are the words I say and what I think see what we mean! 16 year old Lennox Zimmermann gets loose aboard the Jeffsy Primus 27.