Lowest gear
15.6 gear inches
This value is below the central range for this class.
Naloo Mountain Jack 20"
1 of 5
Naloo Mountain Jack 20"
1 of 5
- Not published
- €2,399
- 100 / 100
- 20″
- 1 × 10
- 327%
- 10.5
- Aluminum
- Hydraulic disc
Sizes
Size guide- One Size
Components
Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.
Frame and fork
-
Frame
Four-bar linkage with Horst Link, optimized kinematics for children, custom butted 6061-T6 aluminum, 100mm travel, 12mm thru-axle, tapered headset
Suspension
-
Fork
-
Rear shock
Drivetrain
-
Cassette
CS-HG50-10HG-50
-
Crankset
Leichte Aluminium Kurbel mit Hohlachse und extra schmalem Q-Faktor 149mm, 105mm Länge, 28T Direct Mount Narrow Wide Kettenblatt
-
Rear derailleur
-
Shifters
Brakes
-
Brakes
Wheels and tires
-
Front hub
Aluminum hubs with sealed industrial bearings
-
Rear hub
Aluminum hubs with sealed industrial bearings
-
Rims
-
Tires
Cockpit and contact points
-
Grips
Verdrehsichere Schraubgriffe mit extra kleinem Durchmesser (25mm)
-
Handlebar
Ergonomic handlebar with 12° backsweep, lightweight 7050 double-butted aluminum, 31.8mm clamp, 12.5mm rise, 580mm width
-
Pedals
without
-
Saddle
Age-appropriate ergonomics, robust upper material, free from plasticizers and harmful substances
-
Seatpost
Aluminum seatpost, diameter 31.6mm, length 200mm
-
Stem
3D forged 6061T6 aluminum, 31.8mm clamping diameter, 40mm length, +7° angle
Sizes and geometry
Size explorer
Specifications
Frame and fork
- Intended fit
-
- Unisex
- Frame material
-
- Aluminum
- Bicycle weight
-
- 10.5 kg
- 23.1 lb
Suspension
- Suspension configuration
-
- Full suspension
- Front travel
-
- 100 mm
- Rear travel
-
- 100 mm
Drivetrain
- Front chainrings
-
- 1
- Smallest chainring
-
- 28
- Largest chainring
-
- 28
- Rear sprockets
-
- 10
- Smallest sprocket
-
- 11
- Largest sprocket
-
- 36
- Lowest gear
-
- 15.6 in
- Highest gear
-
- 50.9 in
Wheels and brakes
- Wheel configuration
-
- Same size
- Brake type
-
- Hydraulic disc
Fit and controls
- Derailleur hanger
-
- UDH
- Seatpost
-
- Rigid seatpost
- Shifting
-
- Mechanical
Additional specifications
- Fork spring
-
- Air
- Tire width
-
- 2.25″
- Wheel material
-
- Aluminum
- Wheel size
-
- 20″
Technical analysis
How these figures sit among bicycles of the same class and model year. Context, not a ranking.
Highest gear
50.9 gear inches
This value is below the central range for this class.
Shifting
Mechanical
10 of 367 bicycles with this information use electronic shifting.
Gearing
This bicycle
- 6.0
- 19.5
Lineup changes
The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.
Differences across 2025 builds
Other models in this family
Published versions from the same family and model year.
Similar bicycles
Same category, closest configuration.
