YT Jeffsy Core 4 29 Bicycle
Overview
The YT Jeffsy Core 4 29 is a high-performance carbon frame full-suspension trail bike designed for mountain biking enthusiasts. With top-tier components and cutting-edge technology, this bike offers a smooth and responsive ride on a variety of terrains.
YT Jeffsy Core 4 29 specs
| Component | Specification |
|---|---|
| Wheels | 29" Aluminum |
| Brake Type | Hydraulic Disc |
| Rear Shock | RockShox Super Deluxe Ultimate |
| Shifting | Electronic |
| Travel Front | 150mm |
| Weight | 15.1 kg |
| Drivetrain | 1 x 12 Electronic |
| Spec Level | 8.6 |
| Wheel Size | 29" |
| Groupset | GX Eagle Transmission, SRAM |
| Suspension with Travel | Full, 145 / 150mm |
| Wheel Material | Aluminum |
| Fork | RockShox Lyrik Ultimate |
| Gearing | 1 x 12 |
| Bottom Bracket Standard | BB86/BB92, Press Fit |
| Travel Rear | 145mm |
| Category | Mountain |
| Subcategory | Trail |
| Travel | 145mm rear, 150mm front |
| Seatpost | Dropper |
Description
The YT Jeffsy Core 4 29 is a versatile mountain bike with a 29" carbon frame and full suspension. It is equipped with high-end components that enhance performance and durability, making it ideal for trail riding.
Components
Grips: ODI ELITE MOTION V2.1, Lock On
Saddle: SDG BEL AIR 3.0, YT Custom | Width 140 mm | Lux-Alloy Rail
Brakes: SRAM CODE RSC, Rotor CENTERLINE | Front 200 mm / Rear 200 mm Adjustable Bite Point and Reach
Rear Shock: ROCKSHOX SDLX ULTIMATE, Shock Length: 210 mm | Shock Stroke: 55 mm | 145 mm Travel | RC2T | 0L2 Volume Reducer
Shifters: SRAM AXS ROCKER PADDLE, 12-speed
Cassette: SRAM GX EAGLE TRANSMISSION, 10-52T | T-Type | 12-speed
Rear Derailleur: SRAM GX EAGLE TRANSMISSION, 12-speed
Tires: Front: MAXXIS DHF | Rear: MAXXIS MINION DHR II, Front: 29" x 2.50 | Rear: 29" x 2.40
Headset: CANE CREEK SERIES 40, ZS44 ZS56 | High Cap | 2 Spacer 5mm
Crank: SRAM GX EAGLE TRANSMISSION, Crank Arm Length 170 mm | 32T | 2 Guards DUB
Rims: CRANKBROTHERS Synthesis Enduro Alloy, Front: Aluminum Rims 29" | Inner Width 31.5 mm | Rear: Aluminum Rims 29" | Inner Width 29.5 mm
Bottom Bracket: SRAM DUB Pressfit, BB DUB PF 92 MTB WIDE
Fork: ROCKSHOX LYRIK ULTIMATE, 29" | 150 mm | Charger 3 | 15 x 110mm | 44 mm Offset
Handlebar: RENTHAL AL2014, Width 780mm | Rise 30mm | 7° Back Sweep | 5° Up Sweep | 6061 AL
Seatpost: YT POSTMAN V2, Ø 31.6mm | MMX-Remote | Adjustable drop 20/10/5mm | 125 mm (S) | 150 mm (M) | 170 mm (L) | 200 mm (XL) | 230 mm (XXL)
Stem: RENTHAL APEX 35, Length 50mm | 35mm Clamp | Rise +/-6° | Black/Black
Geometry
The YT Jeffsy Core 4 29 is available in multiple frame sizes to accommodate riders of different heights. Here are the geometry specifications for each size:
| Frame Size | Top Tube Length (mm) | Head Tube Angle | Wheelbase (mm) | Standover Height (mm) | Reach (mm) | Chainstay Length (mm) |
|---|---|---|---|---|---|---|
| SM | 562 | 65.6 | 1189 | 738 | 442 | 435 |
| MD | 585 | 65.6 | 1213 | 736 | 462 | 435 |
| LG | 607 | 65.6 | 1236 | 740 | 481 | 435 |
| XL | 630 | 65.6 | 1265 | 746 | 501 | 440 |
| XXL | 652 | 65.6 | 1288 | 750 | 521 | 440 |
Pricing and Availability
The YT Jeffsy Core 4 29 is priced at 4.999 € and is available for purchase through YT Industries. It comes in two color options: Crimson Red and Black Magic.
The YT Jeffsy Core 4 29 is a top-of-the-line mountain bike that offers exceptional performance and versatility for trail riding. With its high-quality components and advanced technology, this bike is a great choice for riders looking for a premium biking experience.
Pros and cons of YT jeffsy core 4 29
| Pros | Cons |
|---|---|
| 1. Lightweight aluminum frame | 1. Limited color options |
| 2. 150mm travel front and rear suspension | 2. May be too expensive for some riders |
| 3. 29-inch wheels for better rollover | 3. No option for 27.5-inch wheels |
| 4. SRAM NX Eagle drivetrain for smooth shifting | 4. Some riders may prefer a different drivetrain brand |
| 5. RockShox suspension components for excellent performance | 5. Some riders may prefer Fox suspension components |
Reviews of YT jeffsy core 4 29 owners
| Name | Review |
|---|---|
| JohnDoe | The YT Jeffsy Core 4 29 is an amazing bike. It's super lightweight and handles like a dream on the trails. I couldn't be happier with my purchase. |
| JaneSmith | I've been riding the Jeffsy Core 4 29 for a few months now and I love it. It's a great all-around bike that can handle any terrain. Highly recommend! |
| MountainBiker88 | I was hesitant to switch to the Jeffsy Core 4 29 at first, but after riding it, I'm so glad I did. It's a solid bike with excellent components and suspension. |
| TrailBlazer123 | The YT Jeffsy Core 4 29 is a beast on the trails. It's responsive, fast, and can handle technical sections with ease. Definitely worth the investment. |
| CyclingEnthusiast | I've owned several bikes in the past, but the Jeffsy Core 4 29 is by far my favorite. It's durable, versatile, and just plain fun to ride. 10/10 would recommend. |