YT Industries YT JEFFSY Base 29 2020
2020 Mountain
Estimate price |
2,299$
Weight | 14.2 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 29" -
Travel Front 150mm -
Travel Rear 150mm -
Fork RockShox Yari RC
-
Groupset SX Eagle -
Suspension Full -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Jeffsy Alloy 29" high modular alloy main frame | V4L Virtual 4-Link rear suspension | 148x12mm DT Swiss QR Thru axle | down tube/seat stay/chain stay protection
Suspension Fork
RockShox Yari RC 29" | 150 mm | 15 x 110 | 42 mm Rake
Rear Shock
RockShox Deluxe Select 210 x 55 mm
Drivetrain
Rear Derailleur
SRAM SX Eagle 12- Speed
Shift Levers
SRAM SX Eagle 12- Speed
Cassette
SRAM PG1210 Eagle 11- 50 T | 12- Speed
Crank
SRAM SX Eagle 175 mm | 32 T | DUB
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.
Wheels
Rims
DT Swiss M 1900 SPLINE 29" x 30 mm | 110 x 15 mm | 148 x 12 mm
Tires
MAXXIS Minion DHR II Dual Compound 29" x 2.4 | EXO | TR
Brakes
Brakes
SRAM Guide T Rotor Centerline 200 mm / 180 mm
Cockpit
Stem
Race Face AEFFECT R 35 50MM LENGTH | 35MM CLAMP | 0 RISE
Handlebar
Race Face AEFFECT R 780 mm Width | 20 mm Rise | 35 mm Clamp
Grips
ODI Elite Motion V 2.1 Lock- On
Headset
Acros AZX-576 High Cap
Seat
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
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL | XXL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.437 mm | 1.382 mm | 1.334 mm | 1.298 mm | 1.255 mm |
| Bottom Bracket Height | 344 mm | 344 mm | 344 mm | 344 mm | 344 mm |
| Front Center | 749 mm | 771 mm | 793 mm | 817 mm | 839 mm |
| Rake | 52 mm | 53 mm | 52 mm | 52 mm | 52 mm |
| Trail | 110 mm | 109 mm | 110 mm | 110 mm | 110 mm |
| Stack | 618 mm | 622 mm | 627 mm | 636 mm | 640 mm |
| Reach | 430 mm | 450 mm | 470 mm | 490 mm | 510 mm |
| Top Tube Length | 572 mm | 593 mm | 615 mm | 638 mm | 660 mm |
| Seat Tube Angle | 77 ° | 77 ° | 77 ° | 77 ° | 77 ° |
| Seat Tube Length | 400 mm | 415 mm | 435 mm | 460 mm | 485 mm |
| Head Tube Angle | 66 ° | 66 ° | 66 ° | 66 ° | 66 ° |
| Head Tube Length | 100 mm | 105 mm | 110 mm | 120 mm | 125 mm |
| Chainstay Length | 435 mm | 435 mm | 435 mm | 440 mm | 440 mm |
| Wheelbase | 1182 mm | 1204 mm | 1226 mm | 1255 mm | 1277 mm |
| Bottom Bracket Drop | 32 mm | 32 mm | 32 mm | 32 mm | 32 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" |
Model Overview
JEFFSY Base 29 completes the Yt Jeffsy model. YT released 64 bikes variations of this model so far. Check out the entire range from 2020 of this model, by clicking this link.
Model range prices
The most economical model, the YT JEFFSY PRIMUS JP 24 2020 has a starting price of 1899$. YT JEFFSY Pro Race 2020 on the other hand is the most expensive at 5299$.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Average price for Enduro bikes
According to our calculations, the average cost of an Enduro bike that is reliable is 3599$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Enduro bike. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
Furthermore, this bike was made available in 2020 for 2299$. Doing a quick comparison, we notice that JEFFSY Base 29 price is 56.55% smaller than the average cost of an Enduro bike.
Enduro bikes average weight
On a deeper look, we notice that the average weight of an Enduro bike is 14.27 kg (31.46 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
YT JEFFSY Base 29 it’s weighing 14.2 kg (31.31 lbs). At this weight, is slightly lighter than average. In short, the average Enduro bike weight is 0.49% higher than this one.
JEFFSY Base 29 components
Fork
The RockShox Yari RC is included from the factory. It has a travel distance of 150mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.
Rear Shock
The shock that’s installed on this bike is RockShox Deluxe Select 210 x 55 mm, with a travel distance of 150mm. Rear shocks improve riding comfort and give you greater control over all terrains. To sum up, always consider getting a bike that has a rear shock as well.
Wheels size
As for the wheels, YT JEFFSY Base 29 2020, has a 29″ aluminum model. These wheels are more forgiving when you go over roots, rocks, bumps, or other obstacles you encounter on your ride. However, if you’re not a tall person, you might find it difficult to adapt to this wheel size.
Brakes
For your safety, it is important to have quality breaks on your bike. YT JEFFSY Base 29 has Hydraulic Disc brakes installed. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, you can ride your bike with confidence.
Dropper post
YT JEFFSY Base 29 comes with a dropper post. Therefore, climbing or descending will be a breeze.