YT JEFFSY Core 3 MTB All Mountain Carbon Black Magic

JEFFSY
Far out or nothing: JEFFSY is a refined trail bike for every corner of the map, forged with gravity in its very DNA. It's your partner in crime. Your co-pilot. Your accomplice. It's a friend to push you forward, never holding you back, as together you rise to any challenge. With cutting-edge frame design and innovative features, JEFFSY radiates speed, even at a standstill. This is the next evolution of a proven formula, and with it, we go above and beyond in our pursuit of Trail Excellence.

CORE 3
If you're seeking a versatile rig to let loose on winding singletrack, look no further: with JEFFSY CORE 3, you've found your sidekick. Durable, balanced, and fun as hell, it's packed with high-quality, low-maintenance components that land it in the sweet spot for flat-out trail riding. Underneath the paint, you'll find our High-Modulus carbon fiber for precise control over every line and turn, and with YT STASH downtube storage, you can ditch the backpack and free your rides. FOX Performance and DT Swiss wheels round off the package, offering the doubt-slaying confidence you need to tear up your favorite trails.

Technical Specifications

Frame
• Material: High-Modulus Carbon
• Features: YT Stash Internal Frame Storage, Top Tube Rivets, Internal Cable Routing, UDH Hanger
• Kinematics: Rider Centered Geometry, Flip Chip, Virtual Four Link, Size-Specific Rear

Wheels
• DT SWISS M1900
• Front: Aluminum Rims 29, Inner Width 30mm, Hub 110x15mm
• Rear: Aluminum Rims 29, Inner 30mm, Ratchet LN, Hub 148x12mm, Freehub XD

Tyres
• Front: MAXXIS MINION DHF, 29x2.50, EXO+ Casing, 3C MaxxTerra, Tubeless Ready
• Rear: MAXXIS MINION DHR II, 29x2.40, EXO+ Casing, 3C MaxxTerra, Tubeless Ready

Suspension
• Fork: FOX 36 FLOAT PERFORMANCE, 150mm Travel, GRIP, 110x15mm Axle, Offset 44mm
• Shock: FOX FLOAT X PERFORMANCE, 145mm Travel, Length: 210x55mm, 2-Pos Lever, Custom Tune, 2 Spacer

Drivetrain
• Crankset: SRAM GX EAGLE, Crank Arm Length 170mm, 32T
• Cassette: SRAM GX EAGLE, 11-52T, 12-speed
• Rear Derailleur: SRAM GX EAGLE 12-speed
• Shifter: SRAM GX EAGLE 12-speed
• Bottom Bracket: SRAM DUB PF 92 MTB WIDE

Components
• Headset: ACROS AZX-576, ZS44 ZS56, High Cap, 2 Spacer 5mm
• Stem: RENTHAL AL6061, Length 50mm, 35mm Clamp, Rise 0°
• Handlebar: RENTHAL AL2014, Width 780mm, Rise 30mm, 7° Back Sweep, 5° Up Sweep, 6061 AL
• Grips: ODI ELITE MOTION V2.1 Lock-on
• Saddle: SDG BEL AIR 3.0, YT Custom, Width 140mm, Lux-Alloy Rail

Brakes
• SRAM CODE R
• Front Rotor: SRAM CENTERLINE 200mm
• Rear Rotor: SRAM CENTERLINE 200mm

Seatpost
• YT POSTMAN V2, 31,6mm, Adjustable drop 20/10/5mm
• MMX-Remote
• 125 mm (S)
• 150 mm (M)
• 170 mm (L)
• 200 mm (XL)
• 230mm (XXL)

Extras
• Hydration: YT THIRSTMASTER 6000, 620ml bottle and cage included, BPA free, easy to clean
• Tool: Stashed neatly into the rear axle, a YT custom, removable HEX6 tool
• YT Stash: Stash Bag, 2 included

Weight
• 14.90 KG / 32.85 LBS
• Average weight for smallest size available, without tubes, pedals, and bottle.

The ALL NEW JEFFSY Geometry

Measurements: millimeters (mm)
Flip Chip position: Low

Frame size, guideline for best fit
• S: 153 cm - 166 cm (5'0" - 5'5")
• M: 162 cm - 176 cm (5'4" - 5'9")
• L: 172 cm - 185 cm (5'8" - 6'1")
• XL: 181 cm - 194 cm (5'11" - 6'4")
• XXL: 190 cm - 203 cm (6'3" - 6'8")