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2020 YT Industries

JEFFSY Pro Race

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

$5,299
Weight28.2 lbs  
FrameCarbon
SuspensionFull, 160 / 160mm
ForkFox Factory Float 36
ShockFox Float DPX2 Factory
Wheels27.5″ Carbon
Drivetrain1 × 12
GroupsetX01 Eagle
BrakesSRAM Code RSC Hydraulic 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 Race
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 Race

26 mph

Similar Bikes

Highest gear

(descending)

Reviews

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.

Pros
  • Incredibly capable and fun

  • Exceptional value

  • Stable and confident descender

  • Great suspension performance

  • Versatile for various terrains

Cons
  • Pedal bob on long climbs

  • Limited water bottle space

  • Somewhat heavy

  • Underpowered brakes on some models

  • Press-fit bottom bracket issues

Key Quotes
The YT Jeffsy turned our usual value conversation on its head.
Beta logoBeta
With the YT Jeffsy Base 29, you get an incredibly capable bike at an exceptional value.
BIKE Magazine logoBIKE Magazine
The Jeffsy is an inimitable trail boss of a bike
NSMB logoNSMB

Feedback?

View all 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

Read Review

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...

Highs
  • Excellent value

  • Great build for the price

  • Composed and confident descender

  • Super quiet

  • Well-rounded performance

Lows
  • A little heavy

  • Not the fastest climber

  • Geometry feels a touch dated

  • Limited water bottle space

Read Review

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

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

Read Review

Vital MTB
2020 YT Jeffsy Base 29 Bike

Sep 2020 · Sspomer

If you can get it, GET IT.

Read Review

NSMB
REVIEW: YT Jeffsy CF Pro Race 29

Jun 2020

YT's bruiser of a trail bike blurs enduro lines

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Enduro Mountainbike Magazine
The battle: YT Jeffsy CF PRO RACE 29 vs. YT Capra CF PRO RACE 29

May 2019 · Trev Worsey

With category blurring potential, the new 150 mm travel YT Jeffsy CF PRO RACE 29 is ready to battle way beyond its pay grade, but how does it compare against its big brother the YT Capra CF PRO RACE 29? We tested them both against the clock and on the trails to find out. The […]

Read Review

BIKE Magazine
Tested: YT Jeffsy 29 CF Pro Race

May 2019

What happens when you add longer travel, burlier suspension and fancier parts to an already-fancy, burly long-travel trail bike? The YT Jeffsy 29 CF Pro Race.

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Geometry
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

FOX 36 Float Factory 27,5" | 160 mm | Grip 2 | 15QR x 110 | 44 mm Rake

Travel160mm

Spring TypeAir

Shock

FOX Float DPX2 Factory 230 x 65 mm | 3 pos- Adjust

Travel160mm

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

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 X01 Eagle 12- Speed

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

TypeSRAM Code RSC Hydraulic Disc

Wheels
Rims

E13 TRS Race Carbon 27,5" x 28 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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First added January 20

Last updated June 23

Not listed for 2,166 days