Specialized Jett 20w 2026 - Kids Bike
The Specialized Jett 20w is built to grow with young riders, offering a lightweight frame, easy handling, and adjustable fit for confidence on every ride.
Key Features:
- A1 Premium Butted Alloy frame, internal cable routing, lightweight and durable build
- Lightweight alloy rigid fork for stable steering and easy handling
- microSHIFT 7-speed drivetrain offers simple shifting and wide gear range
- V-brakes with tool-free reach adjust for smaller hands
- 20" wheels with Pathfinder Sport 2.0" multi-surface tyres
- Adjustable cranks, handlebars, and saddle to grow with the rider
- Available with 0% APR finance
The Specialized Jett 20w is carefully designed to help young riders develop their confidence and skills as they grow. Its lightweight A1 Premium Butted Alloy frame keeps things easy to handle, while internal cable routing keeps the bike looking clean and reduces cable wear over time. The unisex frame design makes it easy for smaller riders to get on and off.
Specialized know that kids grow fast, so the Jett 20w features clever adjustability throughout. The crank arms offer two length options (105mm and 125mm), and the adjustable handlebar setup and long seatpost allow the bike to grow with the child. This means a longer-lasting fit that keeps them comfortable and in control as they develop.
Every detail has been fine-tuned for young riders, using research from Specialized’s own Retül kids’ fit data. Narrow-diameter grips suit smaller hands, while the short-reach V-brake levers are easy to adjust without tools for quick setup. The Kids Bridge saddle offers comfort and support on every ride.
The Jett 20w runs on 20-inch wheels with Pathfinder Sport 2.0” tyres, giving a great balance of grip and speed across pavements, cycle paths, and light off-road trails. The 7-speed microSHIFT drivetrain is simple to use, offering a wide range of gears to help kids tackle climbs and cruise the flats with ease.
Designed to help children enjoy riding while giving parents confidence in its fit and quality, the Jett 20w is a brilliant platform for building cycling skills and having fun on two wheels.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | A1 Premium Butted Alloy, unisex frame, internal cable routing, 135x10mm forged dropouts, replaceable derailleur hanger |
| Fork | A1 Premium Butted Alloy, Alloy steerer, V-Brake |
| Stem | 3D Forged Aluminum, 35mm length, 6 degree rise, 25.4mm clamp diameter |
| Bars | Alloy Mini Rise, Double Butted, 60mm Rise, 5-degree Backsweep, 580mm Width, 25.4mm Clamp Diameter, 19mm Bar End Diameter |
| Front Brake | V-brake w/ tool-less reach adjust brake lever |
| Rear Brake | V-brake w/ tool-less reach adjust brake lever |
| Rear Mech | microSHIFT RD-M26S, 7-speed |
| Shifters | microSHIFT TS39 Trigger shift, 7-speed |
| Speed | 7 |
| 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, 135mm Spacing, 28H |
| Spokes | Stainless, 14g |
| Front Tyre | Pathfinder Sport, 20x2.0" |
| Rear Tyre | Pathfinder Sport, 20x2.0" |
| Seat Post | Alloy, 2-bolt, 14mm offset, 27.2mm, 280mm length |
| Saddle | Kids Bridge Saddle, 130mm |
| Chainset | Forged Alloy, Square Taper, Adjustable 105/125mm Length, w/ Chainguard, Forged Alloy, 34T |
| Bottom Bracket | Square taper, Plastic cups, 113mm spindle |
| Chain | KMC HV500 |
| Cassette | SunRace, 7-Speed, 11-34t |
| Pedals | Nylon platform w/ reflectors |
Specialized Jett Size Chart
|
Bike |
Height Cm |
Height Inches |
|
Jett 16 |
95 – 120 |
37” – 48” |
|
Jett 20 |
102 – 139 |
40” – 55” |
|
Jett 24 |
112 - 156 |
44” – 62” |
Read our kids bike size guide for more information on kids bike sizing.
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