JEFFSY Pro Race
A 27.5″ carbon frame full suspension enduro bike with ultra high-end components.
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Manufacturer Price
$5,299Weight | 28.2 lbs |
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Frame | Carbon |
Suspension | Full, 160 / 160mm |
Fork | Fox Factory Float 36 |
Shock | Fox Float DPX2 Factory |
Wheels | 27.5″ Carbon |
Drivetrain | 1 × 12 |
Groupset | X01 Eagle |
Brakes | Hydraulic Disc |
Seatpost | Dropper |
For This Bike
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
Compare the full Jeffsy model range
View ComparisonAug 2022
The YT Jeffsy 29 Core 3 is a very capable all-mountain bike which can handle the rough stuff but is equally at home on flow trails and jumps. While the specification list is solid for the money, it's worth paying extra attention to frame sizing and geometry to get the ride you want. With a longer dropper and some tougher tyres this bike has what it takes to be a real challenger when it comes to the best mountain bikes.
Aug 2022 · Richard Owen
Like Robocop or the Six Million Dollar Man, YT have rebuilt the Jeffsy with top notch tech to be (even) better than it was before
Superbly capable
Wants to blast every trail
Packed with top tech
Instant freehub engagement
App driven suspension setup
A hefty investment
Slightly conservative geometry
Apr 2022 · Matt Beer
Following the recent release of YT's Capra and Decoy MX Uncaged 9 builds is the trail-friendly 150mm Jeffsy Uncaged 8.
Dec 2021 · Lydia Tanner
A great value with an appetite for rowdier trails. .
Incredibly capable
Incredibly fun
Incredibly versatile
Incredible value
Pedal bob had us using the lockout on long climbs
Slightly limited water bottle space
Could use stronger brakes
Nov 2021 · Alan Muldoon
Whether you’re 5ft 1in or 6ft 4in tall, you won’t have any issues achieving a glove-like fit on the YT Industries Jeffsy Core 2.
Great suspension & handling
Pricey given the spec
Oct 2021 · Robert Johnston
The YT Jeffsy 29 Core 4 is a versatile all mountain bike that’ll happily crunch out mellower miles or tackle some tough enduro tracks.
Well-Rounded nature
Capable suspension package
Technical climbing prowess
Steeper head angle in steep terrain
Flimsy tires
Aug 2021 · McCoy
The Jeffsy hits the mark for a rider who wants to go a step beyond...
Jul 2021 · Loganbrown
Not your typical Vital bike test...
All fun, all the time
Capable climber
Excellent parts spec
Encourages aggressive riding
Confident descender for both rocks and jumps
A true all-rounder
Frame protection quickly peels
Seemingly forever sold-out (even before the bike boom)
Frame | JEFFSY Carbon 27" high modular carbonfiber frame | V4L Virtual 4-Link rear suspension | 148x12mm DT Swiss QR Thru axle | down tube/seat stay/chain stay protection |
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Fork | FOX 36 Float Factory 27,5" | 160 mm | Grip 2 | 15QR x 110 | 44 mm Rake Travel: 160mm Spring Type: Air |
Shock | FOX Float DPX2 Factory 230 x 65 mm | 3 pos- Adjust Travel: 160mm Spring Type: Air |
Headset | Acros AZX-576 High Cap |
Stem | Renthal Apex 35 50MM Width | 35MM Clamp | 0 Rise |
Handlebar | Renthal Fatbar Carbon 35 Black | 30 mm Rise | 780 mm Width |
Saddle | SDG RDR MNT YT Custom |
Seatpost | FOX Transfer Factory 31.6 mm | S - M 125 mm drop / L 150 mm drop / XL - XXL 175 mm drop Type: Dropper |
Pedals | included / inklusive The included pedals were not made for demanding trails or racing. That is why we also offer you quality pedals at an attractive price in the shopping cart. |
Grips | ODI Elite Motion V 2.1 Lock- On |
Rear Derailleur | SRAM X01 Eagle 12- Speed |
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Crank | SRAM X01 Eagle 175 mm | 32 T | DUB |
Shifters | SRAM X01 Eagle 12- Speed |
Cassette | SRAM XG1295 Eagle 10- 50 T | 12- Speed |
Chain Guide | E13 TRS Race SL I05 2 bolt | 28- 36 T | Compact Slider |
Brakes | SRAM Code RSC Rotor Centerline 200 mm / 180 mm Type: Hydraulic Disc |
Rims | E13 TRS Race Carbon 27,5" x 28 mm | 110 x 15 mm | 148 x 12 mm |
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Tires | Front: MAXXIS Minion DHR II 3C MaxxGrip 27,5" x 2.4 | EXO | TR, Rear: MAXXIS Minion DHR II 3C MaxxGrip 27,5" x 2.4 | EXO | TR |
Last updated February 5
Not listed for 1,177 days