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92722-4020
Pairs well with
Pickup available from our South Melbourne Showroom
Free Shipping on Orders over $250, excludes bikes and oversized items*

Jett 20 Single Speed
Technical Specifications
Kids move fast, and grow faster. At times, it can seem like there’s a small window for the perfect bike fit. The right bike for a young rider is a delicate balance between too small, too big, and a short-lived just right. If we’re going to inspire the next generation of riders, we need to keep kids comfortably riding longer. The Jett is designed so that you’ll never fear the growth spurts. We did our homework to understand how kids grow—spoiler alert, kids’ arms and legs grow more rapidly than their torso. We took to the books and designed a bike with child-specific touch points that withstand the development of young riders. The Jett is uniquely adjustable, perfectly proportional, and child-liftable—you’ll always be set to Jett. 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.
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.
Frameset
Frame A1 Premium Butted Alloy, unisex frame, internal cable routing, 110x10mm dropouts
Seat Binder Bolt-type, 31.8mm
Suspension
Fork A1 Premium Butted Alloy, Alloy steerer, V-Brake
Cockpit
Seat Post Alloy, 2-bolt, 14mm offset, 27.2mm, 280mm length
Saddle Bridge Kids Saddle, 130mm
Stem 3D Forged Aluminum, 35mm length, 6 degree rise, 25.4mm clamp diameter
GripsJett Body Geometry, 19mm Internal Diameter, lock-on
Handlebars Alloy Mini Rise, Double Butted, 60mm Rise, 5-degree Backsweep, 580mm Width, 25.4mm Clamp Diameter, 19mm Bar End Diameter
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
Crankset Forged Alloy, Square Taper, Single Speed, w/ Chainguard
KMC Z1 EPT (Anti-Rust) KMC Z1 EPT (Anti-Rust)
Chain Ring Narrow Wide Steel 42T
Bottom Bracket Square taper, Plastic cups, 113mm spindle
Wheels & Tyres
Front Hub Alloy, Loose Ball Bearings, Bolt type, 100mm Spacing, 28H
Rear hub Alloy, Loose Ball Bearings, Bolt type, 110mm Spacing, 28H
Pathfinder Sport, 20x2.0" Pathfinder Sport, 20x2.0"
Pathfinder Sport, 20x2.0" Pathfinder Sport, 20x2.0"
Spokes Stainless, 14g
Tubes Schrader, 32mm valve
Accessories
Pedals Nylon platform w/ reflectors
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
- Free Shipping on Orders over $200, excludes bikes.
- Returns must be request within 48 hours of delivery for a refund and within 30 days for a Store Credit or Exchange.
- All Sale items are final sale.
Find out more about our Shipping & Return policies in our FAQs.
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Contact Us
Any questions about this product?
Or do you need any help ordering?
Feel free to get in touch with our team in store at hello@bikenow.com.au or (03) 9696 8588
We're happy to help!
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FAQ’s
Visit our FAQs page
FAQs
Please read our FAQs page to find out more.
What is included with a new bike purchase?
Every new bike purchase includes a basic setup so you are comfortable and ready to ride. We adjust your saddle height and make sure you can reach your brakes and shifters with ease.
What does Online Exclusive mean?
Online Exclusive items are not stocked on our showroom floor. They are ordered in from our supplier once you place your order and usually arrive within 7 days.
When will my bike be ready for pickup or delivery?
Once your bike arrives, our mechanics build and safety check it. We will notify you as soon as it is ready for pickup or prepared for home delivery.
Is the bike fully assembled?
Yes. All bikes are fully built, tuned and safety checked by our qualified mechanics before you receive them.
Do you offer delivery for bikes?
Yes. After your bike has been built and prepared, we can arrange home delivery. Courier fees vary depending on your location.
Can I book a bike fit?
Yes. We offer Retül Fit and Basic Fit services. Contact our showroom to book a session or visit this page to find out more about our fit services.

