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Today’s DealsJEFFSY Comp
A 27.5″ carbon frame full suspension enduro bike with high-end components.
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Manufacturer Price
$2,999| Weight | 30.4 lbs |
|---|---|
| Frame | Carbon |
| Suspension | Full, 160 / 160mm |
| Fork | Fox Rhythm Float 36 |
| Shock | Fox Float DPX2 Performance |
| Wheels | 27.5″ Aluminum |
| Drivetrain | 1 × 12 |
| Groupset | NX Eagle |
| Brakes | SRAM Guide R Hydraulic Disc |
| Seatpost | Dropper |
Summary
The YT Industries Jeffsy is a highly capable and versatile enduro bike, praised for its gravity-hungry nature, fast and confident riding, and exceptional value. It excels in descents with stable and predictable handling, while its suspension offers great traction and support. However, it faces some criticism for pedal bob on climbs and limited water bottle space.
Incredibly capable and fun
Exceptional value
Stable and confident descender
Great suspension performance
Versatile for various terrains
Pedal bob on long climbs
Limited water bottle space
Somewhat heavy
Underpowered brakes on some models
Press-fit bottom bracket issues
The YT Jeffsy turned our usual value conversation on its head.
With the YT Jeffsy Base 29, you get an incredibly capable bike at an exceptional value.
The Jeffsy is an inimitable trail boss of a bike
Feedback?
View all reviews
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

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...

Jun 2021 · Jeremy Benson
The Jeffsy Core 3 is the latest version of YT's popular longer travel trail bike. While other brands have gone to extremes with their geometry, this bike's...
Excellent value
Great build for the price
Composed and confident descender
Super quiet
Well-rounded performance
A little heavy
Not the fastest climber
Geometry feels a touch dated
Limited water bottle space

Feb 2021 · Jessie-May Morgan
YT Blaze models introduce top-end Deluxe Ultimate RockShox suspension to the Izzo trail bike, Jeffsy all-mountain bike and Capra enduro bike


Jul 2020
At less than half the price of the previous Jeffsy 29 we tested, the YT Jeffsy Base 29 is by no means half the bike.

| 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 |
|---|---|
| Fork | FOX 36 Float Rhythm 27,5" | 160 mm | 15 x 110 | 44 mm Rake Travel: 160mm Spring Type: Air |
| Shock | FOX Float DPX2 Performance 230 x 65 mm | 3 pos- Adjust Travel: 160mm |
| Headset | Acros AZX-576 High Cap |
| Stem | E13 Base 50 mm |
| Handlebar | E13 Base 35 mm Rise | 780 mm Width |
| Saddle | SDG RDR MNT YT Custom |
| Seatpost | YT Postman 31.6 mm | S - M 125 mm drop / L 150 mm drop / XL - XXL 170 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 NX Eagle 12- Speed |
|---|---|
| Crank | SRAM NX Eagle 175 mm | 32 T | DUB |
| Shifters | SRAM NX Eagle 12- Speed |
| Cassette | SRAM PG1230 Eagle 11- 50 T | 12- Speed |
| Brakes | SRAM Guide R Rotor Centerline 200 mm / 180 mm Type: SRAM Guide R Hydraulic Disc |
| Rims | E13 TRS 27,5" x 27 mm | 110 x 15 mm | 148 x 12 mm |
|---|---|
| Tires | Front: MAXXIS Minion DHR II 27,5" x 2.4 | EXO | TR, Rear: MAXXIS Minion DHR II 27,5" x 2.4 | EXO | TR |
First added January 20
Last updated August 5
Not listed for 2,124 days