JEFFSY is ready to be your new bro and wingman – together you will be one hell of an awesome team. Whether on your home trails or crossing high mountains, JEFFSY scales the toughest peaks with unbelievable drive and traction, and inspires you to unexpected performances. JEFFSY lets you discover the most remote locations, climb the highest peaks, and keep it pinned on the way back down. Because JEFFSY is the YT of All Mountain bikes, it won’t hold you back even in the roughest terrain - thanks to its gravity oriented geometry JEFFSY is the epitome of agility and playfulness. And to meet our high design standards we gave it super compact proportions – looks like you and JEFFSY are going to turn quite some heads together.
With its aggressive headtube angle, low stand over height and compact chain stays JEFFSY is a player among trail bikes, ready to go fast and get loose in the roughest of terrain. The length of the rear triangle comes optimized for each frame size and thanks to the flip chip technology, JEFFSY’s geometry can be perfectly adapted to different terrain and to your style of riding. The low position gives you a more aggressive headtube angle and a bigger BB drop – perfect for quick and grimy downhill sections. The high position provides a smaller BB drop, so you can blast trails and tight turns with more ground clearance. Our prized Virtual 4 Link suspension technology is present on JEFFSY as well; sensitive, progressive, with lots of mid-travel support. This does not only give you the confidence needed for big gaps and rugged terrain but also makes pedaling super efficient. The tube walls are thicker in critical areas to make sure the frame can handle the abuse, and integrated protectors keep the downtube and chain stays out of harm’s way when the action heats up.
The RockShox-equipped JEFFSY CF One is the perfect platform for everybody, from beginners to pro riders. It is easy to set up yet still offers all the performance you could want on the trail. With 150 mm of travel, the awesome RockShox Pike RCT3 and Deluxe RT3 duo is just waiting for you to head to the woods. Both feature easy-to-operate, external 3-position compression adjustment as well as rebound adjustment. The JEFFSY CF One also gets the new Turbine dropper post from Race Face; and the Vancouver outfit supplies the stem, handlebars, and cranks too.
FrameJEFFSY Carbon 27,5"
high modular carbonfiber frame, V4L Virtual 4-Link rear suspension, 148x12mm DT Swiss QR Thru axle, down tube/seat stay/chain stay protection
CranksetRACE FACE Turbine
175mm, 32t direct mount, BB92
Wheelsete*thirteen TRS 27,5"
27,5", FW 15x100 Thru axle, RW 12x148 Thru Axle, XD Driver
ForkRockShox Pike RCT3
air fork, solo air, external 3-way compression (open/pedal/lock), low-speed compression, external rebound, tapered steerer, 15x100 QR Thru axle, 42mm Rake
Rear DerailleurSRAM X1
11spd, Type 2.1, aluminum, cage lock, black
Front TireMaxxis High Roller II
27,5"x 2,4", EXO, MaxxPro
Weight*12,9 kg / 28,4 lb
* Weight measured without pedals 2014 - 2019 models in frame size S / Regular | 2020 models in frame size L / Long. Due to manufacturing tolerances of the individual components the bike weight may differ +/- 5%
SeatpostRACE FACE Turbine
internal cable routing, S: 375mm/125mm travel, M,L, XL: 440mm/150mm travel, 31,6mm
HandlebarRACE FACE Turbine 35
35mm clamp, 770mm wide, 35mm rise, 8° backsweep, 5° upsweep
SaddleSDG Fly MTN
custom YT Logo
Frame SizeS / M / L / XL
for the size that suits you best, please check the sizing-chart above
|A Toptube length||573 mm||602 mm||625 mm||648 mm|
|B Reach||415 mm||440 mm||460 mm||480 mm|
|C Stack||584 mm||597 mm||611 mm||620 mm|
|D Seattube length||410 mm||450 mm||480 mm||520 mm|
|E Chainstay length||430 mm||430 mm||435 mm||435 mm|
|F Headtube angle||66,5 / 67 °||66,5 / 67 °||66,5 / 67 °||66,5 / 67 °|
|G Seattube angle (eff.)||75,0 / 75,5 °||75,0 / 75,5 °||75,0 / 75,5 °||75,0 / 75,5 °|
|H BB Drop||15 / 9 mm||15 / 9 mm||15 / 9 mm||15 / 9 mm|
|I Wheelbase||1138 mm||1169 mm||1200 mm||1224 mm|
|J Headtube length||95 mm||110 mm||125 mm||135 mm|
|K bb height||341 / 347 mm||341 / 347 mm||341 / 347 mm||341 / 347 mm|
|L fork installment length||542 mm||542 mm||542 mm||542 mm|
|M fork offset||42 mm||42 mm||42 mm||42 mm|
|standover height||708 mm||737 mm||752 mm||782 mm|