Box One Conversion Rear Axle
Box One Conversion Rear Axle
Box One Conversion Rear Axle
Box One Conversion Rear Axle
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Box One Conversion Rear Axle

£49.99 £49.99
Colour Black
Size 20-10mm

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About this product

Upgrade your drivetrain with the Box One 10mm or 15mm Conversion Rear Axles, built with Oversized Technology™ for maximum performance, strength, and adaptability.

Crafted from high-grade 7075-T6 aluminium and CNC lathed for precision, this axle features an anodised finish with laser-etched graphics. Designed to fit oversized frame dropouts, it delivers exceptional steering and pedalling stiffness, perfectly complementing other Oversized™ components.

With its convertible design, you can easily adapt a 20mm hub to fit 10mm or 15mm, making it ideal for versatile race setups.

Adjustable from 125mm to 165mm, and weighing only 123g (10mm) or 86g (15mm), the Box One Conversion Axle is the go-to choice for serious BMX racers seeking rigid performance and reliable compatibility.

Need help choosing a BMX bike or finding the right BMX parts? You’re in the right place.

Visit our Waller BMX Guide for helpful advice on bikes, parts, sizing and compatibility. If you’re still unsure, call or email Waller BMX, or click the chat icon to speak to our knowledgeable BMX team.

In stock at Waller BMX

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Dispatch + delivery

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Ordering several items? We send everything together once all items are ready. The longest dispatch time in your basket applies.

Need an estimate or an alternative? Ask our BMX team →

  • Spend over £75 for free tracked UK delivery.
  • Spend over £249.99 for free next day UK delivery.*

*Excludes larger bikes and certain postcodes.

See our Shipping & Returns page for delivery and return details.

Ordering a larger bike? Read our larger bike delivery information.

For more information about Customs and Duties see our FAQ.

We now have an Estimated Import Costs calculator on our product and cart pages to help you estimate duties. Please be aware unless stated we ship all International Orders using the option DDU (Delivered Duties Unpaid).

For extra information about ordering to outside the UK see here.

Save up to 42% on a new complete bike or parts through a UK Cycle to Work scheme.

We accept major UK vouchers, including Cyclescheme and Green Commute Initiative.

How to order

  1. Choose your bike, parts or custom build.
  2. Request a voucher or certificate through your employer and scheme provider.
  3. Contact Waller BMX, or select Cycle to Work at checkout, to complete your order.

Read our Cycle to Work guide or Green Commute Initiative guide for the details.

Need help with your voucher? Contact our BMX team.

Before you buy

Find the correct replacement.

Model, measurements and included fittings.

Will this spare fit my component?

Match the exact brand, model and version, plus the listed measurements. Similar-looking parts may not share the same fitting.

Which measurements should I compare?

Use the dimensions in the description, such as bearing diameter, thread, axle size or length. Send us the original part details if unsure.

What is included with this spare?

Check quantity, left/right options and supplied hardware. A service part does not necessarily include the rest of the assembly.

More for your BMX

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