2023 Specialized

Jett 20

A 20″ aluminum frame mountain youth bike with mid-range components and rim brakes.
Compare the full range

Manufacturer Price

$299$500
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels20″ Aluminum
Drivetrain1 × 7
GroupsetAltus, microSHIFT Mezzo
BrakesRim
View on specialized.comLearn about Specialized
Where to Buy
Similar Bikes

For This Bike

Accessories
Top Comparison
Insights
Ride Feel

Based on frame geometry and build specs.

Handling
nimblestable
Jett 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)

18 mph

Jett 20

Highest gear

(descending)

Spec Level

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

Compare the full Jett model range

View Comparison
Price History
Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

A1 Premium Butted Alloy, unisex frame, internal cable routing, 135x10mm forged dropouts, replaceable derailleur hanger

ColorsGloss Cast Black / Smoke; Gloss Cobalt / Ice Blue; Gloss Blaze / Black; Gloss Raspberry / Uv Lilac; Gloss Oasis / Forest Green

Fork

A1 Premium Butted Alloy, Alloy steerer, V-Brake

Bottom Bracket

Square taper, Plastic cups, 113mm spindle

Stem

3D Forged Aluminum, 35mm length, 6 degree rise, 25.4mm clamp diameter

Handlebar

Alloy Mini Rise, Double Butted, 60mm Rise, 5-degree Backsweep, 580mm Width, 25.4mm Clamp Diameter, 19mm Bar End Diameter

Saddle

Kids Bridge Saddle, 130mm

Seatpost

Alloy, 2-bolt, 14mm offset, 27.2mm, 280mm length

TypeRigid

Pedals

Nylon platform w/ reflectors

Grips

Jett Body Geometry, 19mm Internal Diameter, lock-on

Groupset
Rear Derailleur

Shimano RD-M310, 7-speed

Crank

Forged Alloy, Square Taper, Adjustable 105/125mm Length, w/ Chainguard, Forged Alloy, 34T

Shifters

microSHIFT TS39 , 7-speed

Cassette

SunRace, 7-Speed, 11-34t

Chain

KMC HV500

Brakes

Front: V-brake w/ tool-less reach adjust brake lever, Rear: V-brake w/ tool-less reach adjust brake lever

TypeRim

Wheels
Rims

Alloy, 14mm Depth, 23mm Internal Width, 28H

Spokes

Stainless, 14g

Front Hub

Alloy, Loose Ball Bearings, Bolt type, 100mm Spacing, 28H

Rear Hub

Alloy, Loose Ball Bearings, Bolt type, 135mm Spacing, 28H

Tires

Front: Pathfinder Sport, 20x2.0", Rear: Pathfinder Sport, 20x2.0"

Rider Notes
Riders Also Viewed

Last updated April 29