YT Industries YT JEFFSY 27 CF Pro 2019
2019 Mountain
Estimate price |
3,999$
Weight | 12.9 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 27.5" -
Travel Front 150mm -
Travel Rear 150mm -
Fork RockShox Pike RCT3
-
Groupset GX Eagle -
Suspension Full -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
JEFFSY CARBON 27,5" high modular carbonfiber frame, V4L Virtual 4-Link rear suspension, 148x12mm DT Swiss QR Thru axle, down tube/seat stay/chain stay protection
Suspension Fork
RockShox Pike RCT3 27,5“ | 150mm | 15x110mm | 46mm Rake
Rear Shock
RockShox Deluxe RT3 | 230x60mm
Drivetrain
Rear Derailleur
SRAM GX Eagle 12-Speed
Front Derailleur
N/A
Shift Levers
SRAM GX Eagle 12-Speed
Cassette
SRAM XG-1275 Eagle 10-50T | 12-Speed
Crank
SRAM GX Eagle 175mm | 34T | DUB
Bottom Bracket
SRAM DUB Pressfit
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 Plus wheelset, 15mm x 110mm front, 12mm x 148mm rear
Rear Hub
e*thirteen TRS Plus wheelset, 15mm x 110mm front, 12mm x 148mm rear
Rims
e*thirteen TRS Plus 27,5“ x 28mm | 110x15mm | 148x12mm
Spokes
e*thirteen TRS Plus wheelset
Tires
e*thirteen TRS Plus 27,5" | 2.35
Brakes
Brakes
SRAM Guide RS ROTOR CENTERLINE | 200mm / 180mm
Brake Levers
SRAM Guide RS
Cockpit
Stem
Race Face Turbine R 35 50mm
Handlebar
Race Face Turbine R 35 35mm Rise | 800mm
Grips
ODI Elite Motion V2.1 | Lock On
Headset
Acros AZX-203 High Cap
Seat
Saddle
SDG FLY MTN Cutout YT Custom | Red | White
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" |
About this model
JEFFSY 27 CF Pro is part of the Yt Jeffsy model. YT released 64 bikes variations of this model so far. Take a sneak peek at all Yt Jeffsy bikes models from 2019, by clicking here.
Model range prices
The most economical model, the YT JEFFSY 27 AL Base 2019 has a starting price of 2399$. YT JEFFSY 29 CF Pro Race 2019 on the other hand is the most expensive at 5499$.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Enduro bikes average price
Our math shows that the average cost of a dependable Enduro bike is 3599$. However, even if your budget is less than the average, you might still be able to get a top-quality Enduro bike. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
When YT released this model in 2019, its price was 3999$. If we compare this with the average Enduro bike cost we notice that the price is 11.11% higher.
Average weight for Enduro bikes
Enduro bikes weigh an average of 14.27 kg (31.46 lbs). Having an easier bike than average will give you a great advantage on climbs. However, a heavier bike will gain more speed on descends.
JEFFSY 27 CF Pro weighs 12.9 kg (28.44 lbs) and is considerably lighter than the average. In other words, this model is 10.62% lighter than the average Enduro bike.
JEFFSY 27 CF Pro components
Fork
The RockShox Pike RCT3 is included from the factory. It has a travel distance of 150mm. Bike forks are great for shock absorption and provide you with a smooth ride. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.
Rear Shock
As for the rear shock, this bike has the RockShox Deluxe RT3 | 230x60mm model, with a travel of 150mm. Bike rear shocks increase the riding comfort, and also give you more control over technical trails. In short, a full-suspension bike will give you the smoothest ride possible.
Wheels size
When leaving the production line, the JEFFSY 27 CF Pro model has 27.5″ aluminum wheels. These wheels will provide you with more control over the bike. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
When you want to stop the bike in time, the brakes are vital. The JEFFSY 27 CF Pro has Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, these are ideal for anyone.
Dropper post
A dropper post is included with the JEFFSY 27 CF Pro. A dropper post is a must-have these days if you’re riding anything remotely technical. The main benefit of a dropper post is increased safety while riding. As mentioned above, the lever system allows you to quickly move the saddle out of the way when approaching descents or trail obstacles.