YT Industries YT JEFFSY 27 CF Comp 2019
2019 Mountain
Estimate price |
3,499$
Weight | 13.3 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 27.5" -
Travel Front 150mm -
Travel Rear 150mm -
Fork Fox Performance Elite Float 34
-
Groupset XT, e*thirteen TRS -
Suspension Full -
Drivetrain 1 × 11 -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
JEFFSY Carbon 27" high modular carbonfiber main frame with aluminium rear triangle | V4L Virtual 4-Link rear suspension | 148x12mm DT Swiss QR Thru axle | down tube/seat stay/chain stay protection
Suspension Fork
FOX 34 Float Performance Elite 150mm | Fit 4 | 15QRx110 | 44mm Rake
Rear Shock
FOX Float DPS Performance Elite 3pos-Adj. | Evol LV | 230X60mm
Drivetrain
Rear Derailleur
Shimano XT Shadow Plus | 11-Speed
Front Derailleur
N/A
Shift Levers
Shimano XT 11-Speed
Cassette
e*thirteen TRS Plus 9-46T | 11-Speed
Crank
e*thirteen TRS 175mm | 32T BOOST
Bottom Bracket
e*thirteen BB92 24mm
Chain
SRAM GX Eagle
Chain Guide
None included
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
Front Hub
e*thirteen TRS wheelset, 15mm x 110mm front, 12mm x 148mm rear
Rear Hub
e*thirteen TRS wheelset, 15mm x 110mm front, 12mm x 148mm rear
Rims
e*thirteen TRS 27,5“ x 27mm | 110x15 mm | 148x12mm
Spokes
e*thirteen TRS wheelset
Tires
e*thirteen TRS Plus 27,5" | 2.35
Brakes
Brakes
SRAM Guide R ROTOR CENTERLINE | 200mm / 180mm
Brake Levers
SRAM Guide R
Cockpit
Stem
Renthal Apex 35 50mm
Handlebar
Renthal Fatbar 35 30mm Rise | 800mm
Grips
ODI Elite Motion V2.1 | Lock On
Headset
Acros AZX-203 High Cap
Seat
Saddle
SDG FLY MTN Cutout YT Custom | Orange | Grey
Seatpost
e*thirteen TRS Plus 31.6mm | S 125mm Drop | M - XL 150mm Drop | XXL 170mm Drop
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL | XXL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.41 mm | 1.36 mm | 1.32 mm | 1.29 mm | 1.25 mm |
| Bottom Bracket Height | 342 mm | 342 mm | 342 mm | 342 mm | 342 mm |
| Front Center | 732 mm | 756 mm | 780 mm | 804 mm | 828 mm |
| Rake | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm |
| Trail | 109 mm | 109 mm | 109 mm | 109 mm | 109 mm |
| Stack | 591 mm | 600 mm | 609 mm | 618 mm | 627 mm |
| Reach | 420 mm | 440 mm | 460 mm | 480 mm | 500 mm |
| Top Tube Length | 561 mm | 584 mm | 607 mm | 630 mm | 653 mm |
| Seat Tube Angle | 76.5 ° | 76.5 ° | 76.5 ° | 76.5 ° | 76.5 ° |
| Seat Tube Length | 395 mm | 415 mm | 435 mm | 460 mm | 485 mm |
| Head Tube Angle | 66 ° | 66 ° | 66 ° | 66 ° | 66 ° |
| Head Tube Length | 110 mm | 120 mm | 130 mm | 140 mm | 150 mm |
| Chainstay Length | 427 mm | 427 mm | 427 mm | 432 mm | 432 mm |
| Wheelbase | 1159 mm | 1183 mm | 1207 mm | 1236 mm | 1260 mm |
| Bottom Bracket Drop | 16 mm | 16 mm | 16 mm | 16 mm | 16 mm |
| Wheels | 27" | 27" | 27" | 27" | 27" |
Model Overview
JEFFSY 27 CF Comp is part of the Yt Jeffsy model. YT launched 64 bikes of this model so far. Check out the entire range from 2019 of this model, by clicking this link.
Model range prices
YT JEFFSY 27 AL Base 2019 is the most affordable bike of this model and has a price of 2399$. On the other hand, YT JEFFSY 29 CF Pro Race 2019, is the most expensive and costs 5499$.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Average price for Enduro bikes
Our math shows that the average cost of a dependable Enduro bike is 3599$. However, even though the average price of an Enduro bike is lower, you might still be able to get a top-quality bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Furthermore, if we have a quick look at this model’s cost, we can see that at its release date the price was 3499$. Comparing this to the average Enduro bike price, we see that the price is 2.86% smaller.
Average weight for Enduro bikes
Enduro bikes have an average weight of 14.27 kg (31.46 lbs). It is a good advantage to have a lighter bike than the average. However, a heavier bike is more efficient on descents.
With a weight of 13.3 kg (29.32 lbs), YT bike is a bit lighter than average. In other words, this model is 7.29% lighter than the average Enduro bike.
Overview of components
Fork
The fork installed on this bike is the Fox Performance Elite Float 34 model. The travel on this model is 150mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Rear Shock
As for the rear shock, this bike has the FOX Float DPS Performance Elite 3pos-Adj. | Evol LV | 230X60mm model, with a travel of 150mm. Rear shocks offer better comfort, better traction, and better cornering. This allows for quicker riding on rough roads and trails. In conclusion, to increase your riding experience, get a bike with a rear shock if possible.
Wheels size
The wheels on JEFFSY 27 CF Comp are the 27.5″ aluminum type. 27.5″ wheels are a mixture between 29″ wheels and 26″ wheels. However, these wheels have a slower top speed if you compare them to 29″ wheels.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, your safety is in good hands.
Dropper post
The YT model is also equipped with a dropper post. If used correctly, a dropper post gives you more faith, maneuverability, and greater control over your bike.