Early Rider Bonsai 12 Balance Bike"

In stock, assembled on order

UK, EU and Worldwide delivery available.

Available for Reserve & Collect.

Add to Basket

Made from a birch and aluminium mix, the Early Rider Bonsai 12” Balance Bike is a great first step into cycling for your little riders. The Bonsai provides outstanding looks with high level performance. The quality components include a sealed bearing wheelset and an aluminium steerer and headtube.

Early Rider Bonsai 12” Balance Bike

The Early Rider Bonsai 12” Balance Bike bridges the gap between cost, design and performance, creating an awesome looking bike for your little rider to improve their balance and get used to the motor skills needed to ride their bike.

Made from a single sided monocoque, weatherproofed marine ply of birch and aluminium and with a WBP Meamine glue that’s resistant to moisture, temperature and micro-organisms, the Bonsai is set to last the distance. The twin fork blade with vertical dropouts have also been treated with the same coatings as the frame, plus the lightweight steerer gives responsive steering.

The Bonsai has been finished with Kenda 12.75 x 1.75” tyres that enhance grip in every situation. A faux leather saddle adds style and comfort. Weighing in at only 3.75kg, this balance bike will be your child's gateway to the cycling world.


  • The frame is made from a single sided monocoque weatherproof marine ply, which uses FSC grade A birch veneers
  • Glued together with a WBP Meamine glue that's resistant to moisture, temperature and micro-organisms for season-long durability
  • Finished with Kenda tyres for the ultimate in all condition grip
  • FRAME: Single sided monocoque. weatherproof marine ply, made from fsc grade a birch veneers
  • GLUE: WBP Meamine (resistant to moisture, temperature, micro organisms)
  • FORK: Twin bladed, vertical drop outs, weather proof marine ply, made from fsc grade a birch veneers.
  • STEERER: Lightweight 6061 aluminium
  • HEADTUBE: Lightweight 6061 aluminium
  • HEADSET: 1 1/8” neco aheadset
  • HANDLEBARS: Aluminium flat bar, 25.4mm x 340mm
  • STEM: Early Rider 55mm, + 10 degree, aluminium
  • GRIPS: Black rubber (phthalate free)
  • TYRES: Kenda, 12.75 x 1.75”
  • HUBS: Anodised aluminium, 28mm sealed cartridge bearings
  • RIMS: Anodised aluminium, black, 20 hole
  • SPOKES: Anodised steel, black, silver nipples
  • SEATPOST: 22.4 x 210 aluminium
  • SADDLE: Faux leather, riveted
  • WEIGHT: 3.75kgs
  • WARRANTY: 2 years
  • FRAME SIZE: 12"
  • HEAD ANGLE: 70°
  • SEAT ANGLE: 71°
  • REACH: 32cm
  • WHEELBASE: 57cm


UK Delivery Options

Free Delivery on all orders over £30

Estimated delivery within 4 working days (a delivery charge of £1.99 for orders under £30.00 will apply)

CollectPlus Delivery

Have your order delivered to your local shop for just £1.99! For Highlands and Islands, please allow up to 5 working days. Orders can be shipped to UK CollectPlus locations specified on the SigmaSport.co.uk website where they will be held awaiting collection for a period of 10 days.

Orders placed are normally dispatched within 2 working days.

Priority 1st Class Delivery - £2.99

Estimated delivery within 2 working days.

Next Working Day Delivery* - £4.99

A guaranteed tracked courier delivery, place your order before 3pm, deliveries are made Monday to Friday.

Saturday pre 12 Delivery - £4.99

Saturday delivery orders must be placed by 1pm Friday and is only available on items in stock in our warehouse. Orders are prioritised through our warehouse and are delivered on Saturday pre 12pm by courier. Package must be signed for upon delivery.

Sunday pre 12 Delivery - £4.99

Sunday delivery orders must be placed by 1pm Friday and is only available on items in stock in our warehouse. Orders are prioritised through our warehouse and are delivered on Sunday pre 12pm by courier. Package must be signed for upon delivery.

Reserve and Collect** - FREE

Reserve & Collect is available on all items marked 'Collection'. It is a FREE delivery option that allows you to collect your order from either our Sigma Sport Store, Hampton Wick or our Reserve & Collect location in Esher. Just select the Reserve & Collect button in the basket.

* Next Working Day delivery is only available on items in stock in our warehouse and excludes pre- order items. Next Day refers to the next working day, Bank Holidays will add an extra working day to the estimated delivery lead times. UK next day excludes Saturday deliveries. This service is not available to some remote postcode areas. Please contact us for help.

** Reserve and Collect Collections - Clothing, parts and accessories: Next day. Orders placed on Friday, Saturday or Sunday will be available for collection after midday on the Monday (excluding Bank Holidays). Bikes: 4 days if in stock at store, collect in up to 7 days (sometimes quicker) if in stock at warehouse.

London Same Day (Order Before 1pm)

We offer a Same Day delivery service into London. The cost is £25.00 under 2Kg and £35 over 2Kg. Place your order before 1pm, deliveries are made Monday to Friday. Please note this option excludes bicycles.

More information on our Same Day delivery options.

Bike Deliveries

All our bikes are fully checked and tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for despatch. All you have to do is add the pedals, rotate and tighten the handlebars. Typically we can deliver your bike in 4 - 5 working days.

Deliveries are made Monday to Friday on a pre-12pm delivery. One of our customer service team will be in contact to arrange a convenient day for delivery.

More information on all our UK delivery options.

International Delivery and Returns

We ship to over 100 countries using DHL for a fast and reliable delivery. To see the delivery cost, please add your items to the basket and proceed to the checkout.

International customers have 30 days from their order date to return the order. Goods must be returned in new condition with all original packaging intact and tags attached.

For full details, see this link.

Free UK Returns

We offer a free returns service for our UK customers. Sigma Sport will happily refund or exchange any item purchased at Sigma Sport, excluding Sigma Sport gift vouchers and personalised products except when faulty.

More information on the Sigma Sport returns procedure.

Stock Alert

Please alert me via email when this product is back in stock.

Get Your Price Match

Please fill in some details below to get your price match.

You would like to price match the following item:

Early Rider Bonsai 12 Balance Bike"

Where have you seen it cheaper?

Please provide the direct URL to the same item of where you have seen it cheaper.

Please let us know your email address:

We'll verify the price match and send a promo code directly to your email address.

How do I complete my order?

You will be given the option to pay by finance as part of the checkout process. The exact finance options offered may vary depending on the other items in your basket.

Before choosing finance please read our full Terms and Conditions.