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2023 YT Industries

Jeffsy Primus 27

Prezzo Produttore

2399 €
Peso15,3 kg  
TelaioAlluminio
SospensioniFull, 150 / 150mm
ForcellaRockShox Lyrik
Ammortizzatore posterioreRockShox Deluxe Select
Ruote27.5″ Alluminio
Trasmissione1 × 12
GruppoSX Eagle
FreniSRAM G2 R Disco idraulici
ReggisellaDropper
Dove comprare
Bici simili
Confronto superiore
Approfondimenti
Sensazione di guida

Based on frame geometry and build specs.

Handling
nimblestable
Jeffsy Primus 27
Other Mountain Ragazzi bikes
Rapporti

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)

38 km/h

Jeffsy Primus 27

Highest gear

(descending)

Livello delle caratteristiche

Basato sul materiale di costruzione e sul livello di qualità del telaio, della forcella, del set di ruote, del gruppo, del sistema di sospensioni e altro ancora.<link> Scopri di più →</link>

Confronta l'intera gamma di modelli Jeffsy

Visualizza confronto
Dimensionamento
One Size

154cm – 165cm

Note sul fitting del ciclista

None yet.

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Recensioni

Riassunto

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 both climbing and descending, with a suspension system that offers great traction and support. The bike is often compared to top models like the Santa Cruz Hightower and Canyon Spectral, standing out for its playful yet stable handling.

Pros
  • Incredibly capable and fun

  • Exceptional value

  • Modern geometry

  • Great suspension performance

  • Versatile for all-mountain riding

Cons
  • Pedal bob on long climbs

  • Limited water bottle space

  • Underpowered brakes on some models

  • Press-fit bottom bracket issues

  • Somewhat vague-feeling climbing characteristics

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 excellent jack of all-mountain trades.
Bike Perfect logoBike Perfect
This is about as close as you can get to the ‘one bike for all’ ideal for how a lot of modern mountain bikers ride.
Bikerumor logoBikerumor
The new Mk III Jeffsy feels more capable but just as much fun as ever
BikeRadar logoBikeRadar

Feedback?

Vedi tutte le recensioni

Mountain Bike Action
BIG THINGS COME IN SMALL PACKAGES - YT JEFFSY PRIMUS JUNIOR REVIEW - Mountain Bike Action Magazine

nov 2024 · Nelson

With a value spec of workhorse components, and putting higher-end components where it matters, this is a hard package to beat.

Pro
  • Top-notch paint quality and finish

  • Cleanly designed internal cable routing

  • V4L suspension design for great traction and efficient climbing

  • SRAM SX Eagle 12-speed with a broad gearing range

  • SRAM G2 R brakes with adjustable reach levers

  • YT Postman 100mm dropper seatpost enhances riding experience

  • Maxxis DHR II tires for excellent cornering and traction

  • Great value with workhorse components and higher-end components where it matters

Contro
  • SRAM SX Eagle drivetrain requires regular adjustment

  • 760mm-wide aluminum handlebar too wide for most kids

  • Significant seal friction in forks and shocks for lighter riders

  • Stiff 35mm aluminum handlebar may exacerbate feedback and control issues

Leggi Recensione

Bike Perfect
YT Jeffsy Core 4 review – MK3 version of the excellent all-mountain bike

ago 2024 · Rich Owen

Rich Owen was a big fan of the previous Jeffsy, so what does he think of the latest Core 4 version after months of using it as his daily driver?

Pro
  • Excellent ride-anywhere bike

  • Updated frame with internal storage

  • Sorted component package with wireless SRAM T-Type drivetrain

  • Rides lighter than its actual weight

  • Useful internal and external on-bike storage

Contro
  • Matte black carbon finish is easily scratched and scuffed

  • Not the biggest internal storage opening

Leggi Recensione

off.road.cc
YT Industries Jeffsy Mk3 Core 4 mountain bike review

lug 2024

The YT Jeffsy Mk3 Core 4 is a capable all-mountain bike which, thanks to its spec, has a bias towards descending but is equally able to climb. While the spec is hard to argue with and the value for money is excellent, it's worth paying attention to the frame sizing and geometry to get the ride you want. The bike could be improved further with a longer dropper post and a slacker head angle but YT has done a good job continuing to polish the already excellent Jeffsy.

Leggi Recensione

Singletrack World
YT Jeffsy Core 4 review

mar 2024 · Ben Haworth

The YT Jeffsy Core 4 is a bike that arrives in a box that is not quite perfect out of the box. BUT... there is loads of potential here.

Leggi Recensione

Pinkbike
Video: The All - New YT Industries JEFFSY

ott 2023 · YT Industries

This is the next evolution of a proven formula, and with it, we go above and beyond in our pursuit of Trail Excellence..

Leggi Recensione

BikeRadar
YT Jeffsy Core 4 review

ott 2023 · Robin Weaver

The new Mk III Jeffsy feels more capable but just as much fun as ever

Pro
  • Well-balanced geometry

  • Suspension feels active but supportive

  • Very capable on the terrain I tested it on

Contro
  • Freewheel pickup could be quicker

  • Front tyre not the best in soft mud

Leggi Recensione

Loam Wolf
First Ride: The New YT JEFFSY MK3

ott 2023

YT Industries has released the third generation of their do-it-all trail bike, the Jeffsy MK3. Check out our first ride impressions here.

Leggi Recensione

Bikerumor
YT Jeffsy Primus 27 is an Affordable All-Mtn Bike for Shorter Riders

apr 2023 · Jessie-May Morgan

The YT Jeffsy Primus 27 steps up an affordable 150mm all-mountain bike for riders 135cm to 165cm tall (or 4’5” – 5’5”); priced at $2,399

Leggi Recensione

Geometria
Specifiche
Costruire
Forcella

ROCKSHOX LYRIK BASE, 27.5“ | 150 mm Travel | RC | 100 x 15 mm Axle | Offset 44 mm | Adjustable Rebound, Air Pressure

Escursione150mm

Tipo di mollaAria

Ammortizzatore posteriore

ROCKSHOX DELUXE SELECT, Shock Length: 230 mm | Shock Stroke: 60 mm ≙ 150 mm Travel | Adjustable Rebound, Air Pressure, Custom Tune 0L1

Escursione150mm

Auricolare

ACROS AZX-576, High Cap | 2 Spacer 5 mm

Stem

E13 BASE 35, Length 40 mm | 35 mm Clamp | Rise 0° | 6061 AL

Manubrio

E13 BASE 35, Width 760 mm | Rise 20 mm | 9° Back Sweep | 5° Up Sweep | 6061 AL

Sella

SDG BEL AIR 3.0, YT Custom | Width 140 mm I Lux-Alloy Rail

Reggisella

YT POSTMAN V2, Ø 31.6 mm | 125 mm | Std. Remote I Adjustable drop 20 / 10 / 5 mm

TipoDropper

Manopole

ODI ELITE MOTION V2.1, Lock On

Gruppo
Deragliatore posteriore

SRAM SX EAGLE, 12-speed

Manovella

SRAM SX EAGLE, Crank Arm Length 165 mm | 32T | DUB

Leve del cambio

SRAM SX EAGLE, 12-speed

Cassetta

SRAM PG1210 Eagle, 11-50T | 12-speed

Freni

SRAM G2 R, Rotor CENTERLINE Ø front 200 mm / rear 200 mm Adjustable Reach

TipoSRAM G2 R Disco idraulici

Ruote
Cerchi

CRANKBROTHERS Synthesis Enduro 2 Alloy, Aluminum Rims 27.5“ | Inner Width 31.5/29.5 mm | Front Hub 15 x 100mm Boost | Rear Hub 148 x 12 mm

Pneumatici

FRONT: MAXXIS MINION DHF I REAR: MAXXIS MINION DHR II, Front: Tire Size 27.5“ x 2.4 I EXO Casing I 3C MaxxTerra Compound I Tubeless Ready I, Rear: Tire Size 27.5“ x 2.3 I EXO Casing I Dual Compound I Tubeless Ready

Note del biker
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First added 27 aprile

Last updated 13 luglio

Not listed for 709 days