Boardman JNR Balance Bike 12" 2023 - Kids Balance Bike

Boardman beginnings, providing little ones with the cycling foundations they can build on as they grow and gain confidence with the Boardman JNR Balance Bike.
When it comes to riding bikes, kids are constantly pushing forwards, riding faster and exploring further. So when designing our first full range of junior bikes, Boardman have put Forwards, Faster, Further on each bike to keep the childlike joy and freedom of pushing the boundaries on a bike at the front of our minds.
Key features:
- Lightweight Triple butted smooth weld aluminium frame
- Lightweight alloy fork
- Tektro rear v-brake with a Radius leaver designed for smaller hands
- Weighs just 3.2kg
- Size: 12” wheel
- Colours: Blue
- The Boardman JNR Balance Bike is available with 0% APR finance
Forwards, Faster, Further - three words that encapsulate the Boardman ethos and influence every product Boardman have made. These three words represent the vast spectrum of our rider's cycling ambitions and goals, which Boardman want to support them in achieving, however big or small they are.
The JNR range comprises six models, each with the goal of getting kids outside, cycling and exploring whilst supporting their developmental progression. From those first freewheeling forward movements on the 12" balance bike to the pride of mastering pedalling and going faster than before on the 20", to a family adventure venturing further on the 26", we've carefully considered every aspect of each bike's fit and function. Function hasn't come at the expense of form though, hidden welds and premium metallic paint finishes help the bikes to look as good as they ride.
Our goal is to ensure that the simple act (after some practice) of riding a Boardman JNR is as fun and empowering as possible.
Boardman beginnings, providing little ones with the cycling foundations they can build on as they grow and gain confidence.
As with all the JNR models, quality is key and always starts with the frame. The small yet perfectly formed triple-butted aluminium frame and fork keep weight low, and the single down tube construction upfront allows greater standover clearance for those finding their feet astride two wheels.
Wide, fast-rolling tyres reduce bumps and vibration to build confidence, and as this grows and the speeds increase, the adjustable reach brake lever is designed for tiny hands to help even the smallest of speedsters to slow their roll.
Inevitably toddlers get tired or distracted, and parents always end up having to carry the bike around. Having had experienced this, Boardman have included a simple carry handle in the back of the balance bike-sized saddle, making things comfy for both child and parent alike.
All Tredz bikes are:
- Fully built & ready to ride
- Fully checked & tested by Cytech qualified mechanics
- Available with 0% APR finance on any basket over £99
- UK price match guarantee
- 365 day no hassle returns
- Free delivery in the UK Mainland on a date that suits you
In the box with every Tredz bike is:
- Free Tredz 9 key trail tool
- Free Tredz pedal spanner
- Free basic pedals
- Tredz drawstring kit bag
- 16 point quality control check sheet
- Basic bike setup instructions
- Free Cycle Plan insurance voucher
Occasionally, without notice, manufacturers change product design and/or specifications.
Frame | Lightweight Triple butted, smooth weld aluminium |
Fork | Lightweight alloy |
Headset | External NECO H134 1" Aheadset |
Stem | Boardman JNR 1-Piece Alloy |
Bars | 1-Piece Alloy |
Rear Brake | Rear V-Brake |
Brake Lever | Radius VL 210-D for small hands |
Speed | 1 |
Rims | Black Alloy |
Front Hub | Lightwieght Alloy with Hex bolt fastening |
Rear Hub | Lightwieght Alloy with Hex bolt fastening |
Spokes | Steel - Black |
Front Tyre | Kenda Kontact 12" - 1.75 |
Rear Tyre | Kenda Kontact 12" - 1.75 |
Seat Post | Alloy |
Saddle | Boardman JNR with Ergonomic handle under the saddle for easy carrying |
Weight | 3.7 KG |
Junior Bike Size Chart
Approx. Age |
Height (cm) |
Type / Wheel Size |
1 - 4 |
77 – 105cm |
Balance |
2 - 4 |
85 – 105cm |
12" |
4 - 6 |
105 – 117cm |
14" |
5 - 7 |
112 – 125cm |
16” |
6 - 8 |
117 – 132cm |
18” |
7 - 10 |
125 – 136cm |
20” |
10+ |
136+cm |
24” |
Read our kids bike size guide for more information on kids bike sizing.
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