YT Industries YT Jeffsy 29 CF Pro Race 2018
2018 Mountain
Estimate price |
4,999$
Weight | 12.47 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 29" -
Travel Front 140mm -
Travel Rear 140mm -
Fork Fox Factory Float 34
-
Groupset XTR, e*thirteen TRS Race -
Suspension Full -
Drivetrain 1 × 11 -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Carbon Fiber
Suspension Fork
FOX 34 Float Factory, 44mm rake, Boost
Rear Shock
FOX Float DPX2 Factory, 3-position adjust, 200mm x 57mm
Drivetrain
Rear Derailleur
Shimano XTR Shadow Plus
Front Derailleur
N/A
Shift Levers
Shimano XTR, 11-speed
Cassette
e*thirteen TRS+, 9-46 tooth, 11-speed
Crank
e*thirteen TRS Race SL Carbon, 175mm length, Boost
Bottom Bracket
e*thirteen BB92
Chain
Shimano CN-HG601-11
Chain Guide
e*thirteen TRS+, YT Jeffsy mount
Pedals
None included
Wheels
Front Hub
e*thirteen TRS Race SL Carbon, Front: 15mm x 110mm, Rear: 12mm x 148mm
Rear Hub
e*thirteen TRS Race SL Carbon, Front: 15mm x 110mm, Rear: 12mm x 148mm
Rims
e*thirteen TRS Race SL Carbon, 28 hole, 28mm width
Tires
e*thirteen TRS+, 2.35"
Brakes
Brakes
SRAM Guide Ultimate with Centerline 200mm front/180mm rear rotors
Brake Levers
SwingLink carbon
Cockpit
Stem
Renthal Apex 35, 50mm length
Handlebar
Renthal Fatbar Carbon 35, gold, 30mm rise, 800mm width
Grips
ODI Elite Motion V2.1 Lock-on
Headset
Acros AIX-326
Seat
Saddle
SDG Fly MTN, orange, YT custom
Seatpost
FOX Transfer Factory, 125mm or 150mm drop
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM High | MD High | LG High | XL High |
|---|---|---|---|---|
| Stack Reach Ratio | 1.494 mm | 1.435 mm | 1.4 mm | 1.351 mm |
| Bottom Bracket Height | 350 mm | 350 mm | 350 mm | 350 mm |
| Front Center | 698 mm | 720 mm | 739 mm | 766 mm |
| Rake | 42 mm | 42 mm | 36 mm | 41 mm |
| Trail | 113 mm | 113 mm | 120 mm | 114 mm |
| Stack | 605 mm | 610 mm | 623 mm | 628 mm |
| Reach | 405 mm | 425 mm | 445 mm | 465 mm |
| Top Tube Length | 571 mm | 592 mm | 616 mm | 637 mm |
| Seat Tube Angle | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° |
| Seat Tube Length | 400 mm | 440 mm | 480 mm | 520 mm |
| Head Tube Angle | 67 ° | 67 ° | 67 ° | 67 ° |
| Head Tube Length | 90 mm | 95 mm | 110 mm | 115 mm |
| Chainstay Length | 435 mm | 435 mm | 440 mm | 440 mm |
| Wheelbase | 1132 mm | 1154 mm | 1178 mm | 1205 mm |
| Bottom Bracket Drop | 24 mm | 24 mm | 24 mm | 24 mm |
| Wheels | 29" | 29" | 29" | 29" |
Model Overview
Jeffsy 29 CF Pro Race belongs to the Yt Jeffsy model. YT launched 64 bikes of this model so far. You can get a glimpse at all models from 2018, by clicking on this link.
Model range prices
YT Jeffsy 27 AL 2018 is the most affordable bike of this model and has a price of 2299$. On the other hand, YT Jeffsy 29 CF Pro Race 2018, is the most expensive and costs 4999$.
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.
Trail bikes average price
If you want an acceptable Trail bike you should know that the average price is 2762$. However, even if your budget is less than the average, you might still be able to get a top-quality Trail bike. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
Furthermore, if we have a quick look at this model’s cost, we can see that at its release date the price was 4999$. If we compare this with the average Trail bike cost we notice that the price is 80.99% higher.
Average weight for Trail bikes
If we make a quick analysis of the average weight of a Trail bike, we get 12.98 kg (28.62 lbs). An easier bike will give you a big advantage in climbs. However, a heavier bike can gain speed when you descend.
YT Jeffsy 29 CF Pro Race it’s weighing 12.47 kg (27.49 lbs). At this weight, is slightly lighter than average. In conclusion, the average Trail bike weighs 4.09% more than Jeffsy 29 CF Pro Race.
Jeffsy 29 CF Pro Race components
Fork
YT Jeffsy 29 CF Pro Race 2018 bike is equipped with the Fox Factory Float 34 fork, and has 140mm travel. Bike forks absorb the shocks and give you a smooth and pleasant ride. In short, you should always ensure you have a good fork when purchasing a bike.
Rear Shock
As for the rear shock, this bike has the FOX Float DPX2 Factory model, with a travel of 140mm. Rear shocks give you increased comfort, control, and traction, which is important when cornering or braking. This allows you to ride faster on bumpy roads. In conclusion, to increase your riding experience, get a bike with a rear shock if possible.
Wheels size
When leaving the production line, the Jeffsy 29 CF Pro Race model has 29″ carbon wheels. Having 29″ wheels means that you need less fork travel, leading to a reduction of the pedal bob effect. However, the 29″ wheels will add a little more weight to the bike itself.
Brakes
For your safety, it is important to have quality breaks on your bike. YT Jeffsy 29 CF Pro Race 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
Every bike should have a dropper post, and this one does. 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.