YT Industries YT JEFFSY Pro 2021
2021 Mountain
Estimate price |
3,899$
Weight | 12.9 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 27.5" -
Travel Front 160mm -
Travel Rear 160mm -
Fork RockShox Pike Select
-
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" 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 Select + 27,5" | 160 mm | 15 x 110 | 46 mm Rake
Rear Shock
RockShox Super Deluxe Select + 230 x 65 mm
Drivetrain
Rear Derailleur
SRAM GX Eagle 12- Speed
Shift Levers
SRAM GX Eagle 12- Speed
Cassette
SRAM XG1275 Eagle 10- 50 T | 12- Speed
Crank
SRAM GX 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
E13 TRS Plus 27,5" x 27 mm | 110 x 15 mm | 148 x 12 mm
Tires
MAXXIS Minion DHR II 3C MaxxGrip 27,5" x 2.4 | EXO | TR
Brakes
Brakes
SRAM G2 RSC Rotor Centerline 200 mm / 180 mm
Cockpit
Stem
E13 Plus 50MM LENGTH | 35MM CLAMP | 0 RISE
Handlebar
E13 Plus 780 mm Width | 35 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 | 1.42 mm | 1.38 mm | 1.34 mm | 1.3 mm | 1.27 mm |
| Bottom Bracket Height | 344 mm | 344 mm | 344 mm | 344 mm | 344 mm |
| Front Center | 735 mm | 759 mm | 783 mm | 807 mm | 831 mm |
| Rake | 42 mm | 42 mm | 42 mm | 42 mm | 42 mm |
| Trail | 116 mm | 116 mm | 116 mm | 116 mm | 116 mm |
| Stack | 593 mm | 603 mm | 612 mm | 621 mm | 630 mm |
| Reach | 417 mm | 437 mm | 457 mm | 477 mm | 497 mm |
| Top Tube Length | 562 mm | 585 mm | 608 mm | 631 mm | 655 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 | 65.5 ° | 65.5 ° | 65.5 ° | 65.5 ° | 65.5 ° |
| 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 | 1162 mm | 1186 mm | 1210 mm | 1239 mm | 1263 mm |
| Bottom Bracket Drop | 13 mm | 13 mm | 13 mm | 13 mm | 13 mm |
| Wheels | 27" | 27" | 27" | 27" | 27" |
About this model
JEFFSY Pro is part of the Yt Jeffsy model. 64 bikes variations carry this model name so far. Check out the entire range from 2021 of this model, by clicking this link.
Model range prices
YT Jeffsy Primus 2021 is the cheapest bike model and costs 1899$. YT JEFFSY Pro Race 29 2021 is the most expensive one and costs 5299$.
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.
Average price for Enduro bikes
If you want an acceptable Enduro bike you should know that the average price is 3599$. However, this doesn’t mean that if you spend less money on an Enduro bike, you couldn’t get a decent one. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Furthermore, this bike was made available in 2021 for 3899$. Doing a quick comparison, we notice that JEFFSY Pro price is 8.34% higher than the average cost of an Enduro bike.
Enduro bikes average weight
If we make a quick analysis of the average weight of an Enduro bike, we get 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.
With a weight of 12.9 kg (28.44 lbs), YT bike is considerably lighter than average. In conclusion, the average Enduro bike weighs 10.62% more than JEFFSY Pro.
Overview of components
Fork
The fork installed on this bike is the RockShox Pike Select model. The travel on this model is 160mm. Bike forks absorb the shocks and give you a smooth and pleasant ride. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.
Rear Shock
From the factory, it comes with the RockShox Super Deluxe Select + 230 x 65 mm rear shock model, which has a travel of 160mm. Bike rear shocks increase the riding comfort, and also give you more control over technical trails. In short, if you want smooth rides, get a full-suspension bicycle.
Wheels
The wheels on JEFFSY Pro are the 27.5″ aluminum type. 27.5″ wheels are a mixture between 29″ wheels and 26″ wheels. However, the 27.5″ wheels are less forgiving than the 29″ wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The JEFFSY Pro comes with Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, your safety is in good hands.
Dropper post
YT JEFFSY Pro includes a dropper post. Therefore, climbing or descending will be a breeze.