Bike details
Overview
Key information split into simple groups.
Bike summary
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Frame Aluminum -
Wheels 20" -
Groupset Tourney, Shimano -
Suspension Rigid -
Drivetrain 1 × 6 -
Brakes Rim
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Enduro frame design, 6061 aluminum tubes, tapered/ ovalized top tube, down tube & stays
Suspension Fork
Unicrown, hi-tensile steel, 28.6 steerer
Drivetrain
Rear Derailleur
Shimano TY300 rear with protective guard
Shift Levers
Shimano RevoShift 35, 6-speed
Cassette
6-speed, 14-28T
Crank
Forged alloy crank, 127mm, with 36T chainring and protective double-sided chainguard
Bottom Bracket
Sealed cartridge
Chain
KMC Z33
Pedals
MTB platform, hi-impact resin
Wheels
Rims
Alloy 36H black anodized rims with brushed brake tracks, alloy MTB hubs with nutted axles, 14G black electroplated spokes
Tires
CST MTB, 20 x 1.95”
Brakes
Brakes
Alloy linear pull type with Tektro youth specific levers
Cockpit
Stem
MTB alloy threadless, 15 ? rise x 60mm extension
Handlebar
MTB alloy riser, 6 ? sweep x 20mm rise x 560mm wide
Grips
Kraton for Grip Shift
Headset
Aheadset, 1 1/8”
Seat
Saddle
Jamis ATB Youth
Seatpost
Alloy pillar, 27.2 x 300mm, with 31.8mm alloy clamp
Fit data
Geometry
Numbers for sizing and ride feel.
About this model
XR20 is a Jamis Xr20 model. Jamis launched 2 bikes of this model so far.
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.
Youth bikes average price
If you want an acceptable Youth bike you should know that the average price is 278$. However, even if your budget is less than the average, you might still be able to get a top-quality Youth bike. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
When Jamis released this model in 2021, its price was 399$. If we compare this with the average Youth bike cost we notice that the price is 43.53% higher.
Youth bikes average weight
On a deeper look, we notice that the average weight of a Youth bike is 11.74 kg (25.88 lbs). You will have a greater advantage on climbs if your bike is easier than the average. On descents, however, a heavier bike will give you extra speed.
With a weight of 10.89 kg (24.01 lbs), Jamis bike is a bit lighter than average. In conclusion, the average Youth bike weighs 7.81% more than XR20.
Overview of components
Fork material
When it comes to the fork, this bike has a steel one, which tends to be more flexible than carbon forks in general. However, a carbon fork is considerably lighter.
Wheels
The XR20 2021 bike is equipped with 20″ aluminum wheels when leaving the factory. The 20″ wheels are a good fit for folding bikes, BMX, or children bikes. In conclusion, they are great for flat ground or very easy trails.
Brakes
For your safety, it is important to have quality breaks on your bike. Jamis XR20 has Rim brakes installed. Rim brakes deliver an average performance overall. However, they have problems in wet conditions.