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YT Jeffsy Primus 27 is an Reasonably priced All-Mtn Bike for Shorter Riders

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YT is extending its line of full suspension mountain bikes for rising riders, including the YT Jeffsy Primus 27. It joins the Jeffsy Primus 24 and Jeffsy Primus 26, providing one other rung on the dimensions ladder for growing Young Talent. The Jeffsy Primus 27 is aimed toward people between 135 cm and 165 cm tall (or 4’5” – 5’5”), making it a legit possibility for shorter adults, too. Certainly, it runs the exact same body because the 2021 YT Jeffsy 275, accomplished with cockpit and phone level parts higher suited to the shorter rider.

Talking of Younger Expertise… Lennox Zimmermann exhibits us what’s potential.

YT Jeffsy Primus 27

The YT Jeffsy Primus 27 is basically a re-positioning of the 27.5″ wheel mannequin of the 2021 YT Jeffsy. It runs the exact same aluminum frameset. As such, it boasts 150mm of rear wheel journey paired with a 150mm fork, and an similar geometry. That’s a attain of 422mm, with a seat tube size of 395mm, and a chainstay size of 432mm.

yt jeffsy primus 27
The YT Jeffsy Primus 27 weighs a claimed 15.3 kg with tubeless tires, with out pedals and bottle

The Jeffsy Primus 27 sees a geometry-adjusting flip-chip on the decrease shock mount, permitting the rider to boost or decrease the underside bracket peak, concomitantly altering the top tube angle. In its low place, the Primus 27 has a BB drop of 13mm, and a HA of 65.7°. Full particulars on geometry may be discovered under.

What’s extra noteworthy right here, is that the Jeffsy Primus 27 brings the worth of this all-mountain bike right down to a extra budget-friendly £2,499 – however just for shorter riders, in fact. That’s £500 cheaper than the comparable Jeffsy Core 2 mannequin, the worth of which has risen to £2,999.

Highlights of the Jeffsy Primus 27 construct embody a 150mm RockShox Lyrik Base Fork, a custom-tuned RockShox Deluxe Choose Shock, a SRAM SX Eagle 12-Pace Drivetrain with 11-50T cassette and 165mm cranks, and SRAM G2 R Brakes with 200mm rotors entrance and rear.

Younger Expertise, Lennox Zimmermann, does a whip over a desk on his Jeffsy Primus 27

It rolls on a Sunringle Duroc Wheelset with 35mm inside diameter rims, seating a Maxxis Minion DHF/DHRII pairing within the EXO Casing. Extra derrière-to-saddle clearance is afforded by a 125mm drop YT Postman Dropper Seat Put up topped with an SDG BEL Air 3.0. Within the cockpit we see an E13 Base Bar and Stem; the bar is 760mm broad with a 20mm rise, whereas the stem has a 40mm size.

yt jeffsy primus 27 geometry
YT Jeffsy Primus 27 Geometry

Pricing & Availability

The YT Jeffsy Primus 27 retails at £2,499 / $2,399 USD / $3,349 CAD / 2,399 €, and is obtainable in Nox Blue solely. The Jeffsy Primus 24 and Primus 26 full suspension mountain bikes for kids stay within the lineup for 2023; pricing as follows. All are offered with a 5-year guarantee.

Jeffsy Primus 26 Deep Yellow £2,299 $2,199 $3,099 $2,199
Jeffsy Primus 24 Lava Pink £2,099 $1,999 $2,799 $1,999
The Jeffsy Primus 27 suits each the Thirstmaster 3000 (facet entry cage, 0.5l) and Thirstmaster 4000 (Fidlock system, 0.6l). It’s potential to suit different facet entry cages wit common bottles in roughly this measurement, too.


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