JEFFSY PRIMUS JP 26
A 26″ aluminum frame mountain youth bike with upper mid-range components and hydraulic disc brakes.
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MSRP | $1,999 |
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Weight | 30.6 lbs |
Frame | Aluminum |
Suspension | Full, 140 / 140mm |
Fork | Manitou Machete |
Shock | RockShox Deluxe Select+ |
Wheels | 26″ Aluminum |
Drivetrain | 1 × 12 |
Groupset | SX Eagle |
Brakes | Hydraulic Disc |
Seatpost | Dropper |
For This Bike
Dec 2021 · Lydia Tanner
A great value with an appetite for rowdier trails. .
Incredibly capable
Incredibly fun
Incredibly versatile
Incredible value
Pedal bob had us using the lockout on long climbs
Slightly limited water bottle space
Could use stronger brakes
Oct 2021 · Robert Johnston
The YT Jeffsy 29 Core 4 is a versatile all mountain bike that’ll happily crunch out mellower miles or tackle some tough enduro tracks.
Well-Rounded nature
Capable suspension package
Technical climbing prowess
Steeper head angle in steep terrain
Flimsy tires
Aug 2021 · McCoy
The Jeffsy hits the mark for a rider who wants to go a step beyond...
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...
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
Dec 2020 · Sven Günzel
“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.
Outstanding chassis tuning
Child-specific contact points
Fuuuuuuuun factor
No dropper post
Relatively heavy
Not ideal for long rides
Apr 2020 · Alex Evans
If I was spending my own money on a bike, the Jeffsy Base 29 would be at the top of my list, offering exceptional value for money with only a few small niggles
Stable and incredibly competent descender that’s fun to ride, easy to set up and relatively cheap to buy
Shifters and brake levers were impossible to get in the right place
Frame | Aluminum |
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Fork | MANITOU Machete 26" | 140 mm | 15x100 mm Travel: 140mm Spring Type: Air |
Shock | RockShox Deluxe Select+ 190x45 mm Travel: 140mm Spring Type: Air |
Headset | Acros AZX-576 High Cap |
Stem | E13 Base 40 mm |
Handlebar | E13 Base 20 mm Rise | 760 mm Width |
Saddle | SDG RDR MNT YT Custom |
Seatpost | YT Postman 31.6 mm | 100 mm Drop Type: Dropper |
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 |
Rear Derailleur | SRAM SX Eagle 12 - Speed |
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Crank | SRAM SX Eagle 165 mm | 30 T | DUB |
Shifters | SRAM SX Eagle 12 - Speed |
Cassette | SRAM PG1210 Eagle 11- 50 T | 12- Speed |
Brakes | SRAM Guide R Custom 2 Piston Caliper | Rotor CENTERLINE 180 mm / 180 mm Type: Hydraulic Disc |
Rims | SUNringlé DUROC 26" x 30 mm | 100 x 15 mm | 148 x 12 mm |
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Tires | Front: MAXXIS Minion DHR II 3C MaxxTerra 26" x 2.4 | EXO | TR, Rear: MAXXIS Minion DHR II Dual Compound 26" x 2.3 | EXO | TR |
Last updated August 5
Not listed for 1,347 days