Specialized Jett 20" Single Speed

~~$425.00~~ $249.99 Excl. tax

The Jett is designed so that you’ll never fear the growth spurts. kids’ arms and legs grow more rapidly than their torso. Specialized took to the books and designed a bike with child-specific touch points that withstand the development of young riders.

The Jett Single Speed features an adjustable handlebar that allows kids to fine tune reach as their arms grow. The narrower saddle and grips were informed by a Retül study on kids to be the appropriately size—with handbrakes on both the 16” and 20”. And what’s more, we designed the frame and reviewed every component to make the Jett one of the lightest bikes on the market. You’re going to have to beg them to get off this bike.

- We designed the Jett Single Speed to be uniquely adjustable with longer seatposts and adjustable handlebars so kids can dial-in the perfect riding position as they grow.

- Every detail of the Jett Single Speed—including the 130mm Bridge saddle, narrower-diameter grips, and short-reach, tool-less adjustable brake levers—was informed by Retül data from a kids’ research group to be perfectly proportional for young riders.

Technical Specifications

Frameset

Frame

A1 Premium Butted Alloy, unisex frame, internal cable routing, 110x10mm dropouts

Seat Binder

Bolt-type, 31.8mm

Fork

A1 Premium Butted Alloy, Alloy steerer, V-Brake

Brakes

Front Brake

V-brake w/ tool-less reach adjust brake lever

Rear Brake

V-brake w/ tool-less reach adjust brake lever

Drivetrain

Cassette

18t Freewheel

Chain

KMC Z1 EPT (Anti-Rust)

Crankset

Forged Alloy, Square Taper, Single Speed, w/ Chainguard

Chainrings

34T

Bottom Bracket

Square taper, Plastic cups, 113mm spindle

Wheels & Tires

Rims

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

Front Hub

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

Rear Hub

Alloy, Loose Ball Bearings, Bolt type, 110mm Spacing, 28H

Spokes

Stainless, 14g

Front Tire

Pathfinder Sport, 20x2.0"

Rear Tire

Pathfinder Sport, 20x2.0"

Inner Tubes

Schrader valve

Cockpit

Stem

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

Handlebars

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

Grips

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

Saddle

Kids Bridge Saddle, 130mm

SeatPost

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

Accessories

Pedals

Nylon platform w/ reflectors

- A lightweight bike is simply more fun and the Jett Single Speed’s all-new A1 aluminum frame, alloy fork, Pathfinder tires, and single-speed drivetrain make it one of the lightest kids’ bikes on the market.

Geometry

	20"
Stack	398mm
Reach	295mm
Head-Tube Length	100mm
Head-Tube Angle	69°
B-B Height	229.5mm
B-B Drop	30mm
Trail	57mm
Fork Length (full)	305mm
Fork Rake/Offset	40mm
Front-Center	480mm
Chain-Stay Length	350mm
Wheelbase	828mm
Top-Tube Length (horizontal)	417mm
Bike Stand-Over Height	510mm
Seat-Tube Length	290mm
Seat-Tube Angle	73°

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