• Trail

CHOOSE YOUR WHEELSIZE

27.5" or 29" wheels – the choice is yours.

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  • JEFFSY 29 CF Pro Race
  • JEFFSY 29 CF Pro Race
  • .
  • JEFFSY 29 CF Pro
  • JEFFSY 29 CF Pro
  • .
  • JEFFSY 29 CF Comp
  • JEFFSY 29 CF Comp
  • .
  • JEFFSY 29 AL Base
  • JEFFSY 29 AL Base
  • JEFFSY 27 CF Pro Race
  • JEFFSY 27 CF Pro Race
  • JEFFSY 27 CF Pro
  • JEFFSY 27 CF Pro
  • JEFFSY 27 CF Comp
  • JEFFSY 27 CF Comp
  • JEFFSY 27 AL Base
  • JEFFSY 27 AL Base

JEFFSY is here for the good times. And to stay when things get nasty.

Some encounters change your life. One short moment and nothing is like it used to be. Everything’s better.
You’ll experience this when you jump on the new JEFFSY for the first time: it will make you raise your game and turn you into the rider you always dreamed of becoming; ride every trail the way you always wanted to ride it.
To truly master both the ups and the downs, the new JEFFSY is the most versatile of all the Young Talents. A true all-mountain bike, this light and effective weapon is perfect for flowy singletrack, long backcountry adventures and racing. JEFFSY lets you climb with ease and tackle any challenge on the way back down. Because nothing is like it used to be. The new JEFFSY lets you truly redefine your riding style.

Bikefinder Trail

27,5"/ 29"

SIZE DOESN'T MATTER

When picking the right wheel size, your personal preferences, riding style, and last but not least the terrain you ride all play an important role in your decision. With JEFFSY 29 you get the most aggressive and agile 29er on the market, full stop. The large 29“ wheels compliment the compact frame‘s silhouette perfectly, and are also responsible for the significant amount of BB drop - leaving you low in the sweet spot of the bike, feeling right at home and perfectly in control even in the wildest situations. The larger tire contact patch provides outstanding grip and unheard-of traction and drive, which you will really appreciate while racking up the kilometers during long backcountry adventures. When it comes to high-speed descending, the big wheels increase stability and keep you on track even on the roughest trails. The bigger diameter reduces harshness and helps the wheels roll more easily over rocks and roots, which makes the JEFFSY 29 suitable both for beginners and experienced riders alike.
The JEFFSY 27 is for those who prefer an even more agile and playful bike. The 27” wheels are stable, reactive and dynamic through the turns. So that you won’t have to back down in rough terrain, and because you might want to take it off a jump or two, we’ve given JEFFSY 27 a bit more suspension travel. This means you can relax when things get gnarly, and it also means that JEFFSY 27 is the right choice when it comes to dropping the hammer in your next enduro race.
At the end of the day it’s not about numbers. It’s about the rad time you had. JEFFSY 27 or JEFFSY 29: Size doesn’t matter – it’s what you do with it.

For an ever better riding experience, we have refined our award-winning V4L suspension technology. JEFFSY is very sensitive off the top, with good mid-stroke support and plenty of end-stroke progressivity and an overall poppy character, which gives you a feeling of security when taking on rough terrain and big jumps. The generous amount of anti-squat prevents unwanted suspension movement - the result is outstanding climbing efficiency with neutral suspension behavior.

The new Headbox design increases the stiffness of the steerer tube for an even more direct feel at the handlebars. Technical features like the internal cable routing, the double-sealed bearings or the integrated frame protection underline our commitment to making high-end bikes and help increase JEFFSY’s service life while also contributing to the clean looks and sleek silhouette that undoubtedly make it a YT.

“The JEFFSY is so easy on the climb and super playful pointed downhill!”