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2025 Fuji

Dynamite 20

A 20″ aluminum frame mountain youth bike with mid-range components and rim brakes.
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Manufacturer Price

$399
Weight26.0 lbs  
FrameAluminum
SuspensionHardtail, 40mm
ForkZoom
Wheels20″ Aluminum
Drivetrain1 × 6
GroupsetTourney
BrakesRim
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Insights
Ride Feel

Based on frame geometry and build specs.

Handling
nimblestable
Dynamite 20
Other Mountain Youth bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

15 mph

Dynamite 20

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

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Price History
Geometry
Specs
Build
Frame

A1-SL alloy front and rear triangle

ColorsBlue; Purple

Fork

Zoom CH-386E, 40mm

Travel40mm

Bottom Bracket

Water-sealed, Loose ball

Headset

1 1/8" sealed bearings

Stem

Fuji, Steel, 1 1/8" quill, 15 rise

Handlebar

Fuji steel flat bar

Saddle

Selle Royal

Seatpost

Fuji, steel, 27.2mm

TypeRigid

Pedals

Resin platform

Grips

Single-density Kraton

Groupset
Rear Derailleur

Shimano Tourney

Front Derailleur

N/A

Crank

Fuji, 140mm, 36T

Shifters

Shimano Tourney Revo, 1 x 6-speed

Cassette

Shimano freewheel, 14-28T

Chain

KMC HV500

Brakes

Alloy, linear pull

TypeRim

Brake Levers

Alloy, 2-finger, short reach

Wheels
Rims

Fuji Aluminum rims, Fuji 32H hubs, black spokes

Tires

Kenda Small Block Eight, 20" x 2.1", 30tpi

Rider Notes
Riders Also Viewed

First added April 27

Last updated February 7