2020 YT Industries

JEFFSY Pro

A 27.5″ carbon frame full suspension enduro bike with high-end components.
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Manufacturer Price

$3,899
Weight28.4 lbs  
FrameCarbon
SuspensionFull, 160 / 160mm
ForkRockShox Pike Select+
ShockRockShox Super Deluxe Select+
Wheels27.5″ Aluminum
Drivetrain1 × 12
GroupsetGX Eagle
BrakesHydraulic Disc
SeatpostDropper
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
JEFFSY Pro
Other Enduro bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

26 mph

JEFFSY Pro

26 mph

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Highest gear

(descending)

Reviews
Beta
The Beta Tests: YT Jeffsy Core 2 29

Dec 2021 · Lydia Tanner

A great value with an appetite for rowdier trails. . 

Highs
  • Incredibly capable

  • Incredibly fun

  • Incredibly versatile

  • Incredible value

Lows
  • Pedal bob had us using the lockout on long climbs

  • Slightly limited water bottle space

  • Could use stronger brakes

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Mountain Bike Action
BIKE REVIEW: YT JEFFSY ALL-MOUNTAIN MACHINE - Mountain Bike Action Magazine

Aug 2021 · McCoy

The Jeffsy hits the mark for a rider who wants to go a step beyond...

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Outdoor Gear Lab
YT Jeffsy Core 3

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...

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Bikerumor
YT Blaze give RockShox Deluxe Ultimate suspension to Izzo Jeffsy Capra

Feb 2021

YT Blaze models introduce top-end Deluxe Ultimate RockShox suspension to the Izzo trail bike, Jeffsy all-mountain bike and Capra enduro bike

Read Review

Vital MTB
2020 YT Jeffsy Base 29 Bike

Sep 2020 · Sspomer

If you can get it, GET IT.

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BikeRadar
YT Jeffsy Pro 29 (2020) review

Apr 2020 · Tom Marvin

While it might not break records uphill, if you don’t want to lug a full-on enduro bike around, the Jeffsy is king of the hill

Highs
  • A sublime rear suspension with geometry and kit to match

Lows
  • It’ll get up a hill, but isn't as peppy as the leading trail bikes on the market

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NSMB
2020 YT Jeffsy 29 Pro Race - Out of the Box

Mar 2020

What's it like when a YT Jeffsy 29 arrives at your door in a large cardboard box... But is it a trail bike? An enduro bike? An all mountain bike? Or all of those with 160mm front travel and 150mm rear.

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Enduro Mountainbike Magazine
YT JEFFSY Pro 29 on test – a capable trail bike for those who like it rough!

Feb 2020 · Christoph Bayer

The YT JEFFSY Pro 29 has been given a significant performance boost for the new season. YT have introduced the extra centimetre of travel, previously reserved for the flagship CF Pro Race model, across the range. We were very excited to see how this would make the bike fare against the competition. Click here for […]

Highs
  • Balanced, confidence instilling and fun geometry

  • Great value for money

  • Excellent climber

Lows
  • Rear suspension bobs when pedalling out of the saddle

  • Weak brakes

  • Cable port plugs kept coming loose

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
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

RockShox Pike Select + 27,5" | 160 mm | 15 x 110 | 46 mm Rake

Travel160mm

Shock

RockShox Super Deluxe Select + 230 x 65 mm

Travel160mm

Headset

Acros AZX-576 High Cap

Stem

E13 Plus 50MM LENGTH | 35MM CLAMP | 0 RISE

Handlebar

E13 Plus 780 mm Width | 35 mm Rise | 35 mm Clamp

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

TypeDropper

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

Groupset
Rear Derailleur

SRAM GX Eagle 12- Speed

Crank

SRAM GX Eagle 175 mm | 32 T | DUB

Shifters

SRAM GX Eagle 12- Speed

Cassette

SRAM XG1275 Eagle 10- 50 T | 12- Speed

Brakes

SRAM G2 RSC Rotor Centerline 200 mm / 180 mm

TypeHydraulic Disc

Wheels
Rims

E13 TRS Plus 27,5" x 27 mm | 110 x 15 mm | 148 x 12 mm

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

Rider Notes
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Last updated August 5
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