2021 YT JEFFSY Comp

A 27.5″ carbon frame full suspension enduro bike with high-end components, priced near the middle of the JEFFSY model range.

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2021 YT JEFFSY Comp
MSRP$2,999
Weight30.4 lbs
Front Travel160mm
Rear Travel160mm
FrameCarbon
ForkFox Rhythm Float 36
Wheels27.5″
Drivetrain1 × 12
GroupsetNX Eagle
BrakesHydraulic Disc
SeatpostDropper post
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Gearing

1 × 12 — 12 speed

JEFFSY Comp

24 mph

Similar Bikes

26 mph

The JEFFSY Comp is easier to ride up hills than similar bikes.

The JEFFSY Comp won‘t keep up with similar bikes while riding downhill or sprinting.


Estimated Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more

Spec level →$0$500$1,000$1,500$2,000$2,500
This bike
Other enduro bikes

Reviews

April 2021

BikeRadar
YT Jeffsy Blaze review

Every Jeffsy we’ve ridden has made us return home with a Cheshire cat’s grin

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August 2021

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

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

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July 2021

Vital MTB
2021 YT Jeffsy Core 3 29 Bike

Not your typical Vital bike test...

Read Full Review

April 2020

MBR
YT Jeffsy 29 CF Comp review - MBR

Back to defend its Trail Bike crown is the YT Jeffsy 29 CF Comp 29. Revamped last year: a new carbon frame, adjustable geometry, top-quality spec.

Read Full Review

December 2020

ENDURO Mountainbike Magazine
Reviewing the YT JEFFSY PRIMUS JP 24 – a full susser for ambitious baby shredders

“Come on kids, get ready and pack your stuff, today we’re heading to the mountains! We’ll hike all day and drink a big glass of fresh buttermilk at the top!" Sound familiar? Yeah, great memories, but times have changed and modern kids have a totally different idea of fun. The YT JEFFSY PRIMUS JP 24 delivered tons of it on our last family outing.

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July 2020

BIKE Magazine
Tested: YT Jeffsy Base 29

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.

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March 2019

MTBR
2019 YT JEFFSY launched

YT Industries has launched the all-new YT JEFFSY, a bike the German direct-to-consumer seller calls its most versatile and aggressive trail bike to date. - Mtbr.com

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May 2018

Flow Mountain Bike
Video: Our YT Jeffsy Custom Build

The YT Jeffsy is a ripper of a bike. It’s hard to explain why; when you look at it on paper there’s nothing particularly magical about its numbers or suspension. But on the trails, it flat out shreds, down, up and round the bends. We fell in love with this bike last year, when we …

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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 Rhythm 27,5" | 160 mm | 15 x 110 | 44 mm Rake

Rear Shock

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

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

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 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

Wheels
Rims

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

Tires

MAXXIS Minion DHR II 27,5" x 2.4 | EXO | TR

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