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Demon Plates will be closed for the Christmas break from the 24th Dec until 2nd Jan and all orders will be dispatched upon our return. If you need to reach us, please send a message on Instagram to @demonplatesandgraphics.Thank you and have a Merry Christmas.

About Trials Bike & Motocross Number Plates

Trials and motocross bikes have different uses. Some are registered for public roads, while competition-only machines may never need a UK road registration plate.

Demon Plates lets you start with the intended registration or plate text and review the finish before ordering. Decide first whether the plate is for public-road use or a private display.

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What Size Are Trials Bike & Motocross Number Plates?

A road-registered motorcycle must follow the motorcycle rear-plate rules and prescribed two-line layout where applicable. Event or competition number boards use different conventions and are not road registration plates.Where the plate is intended for a UK public-road vehicle, the prescribed character layout, font, spacing, margins and supplier markings matter as well as the outer plate dimensions.

Trusted UK Number Plate Supplier

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Excellent quality. Easy buying process, handled properly and compliant with DVLA requirements. Delivered promptly. Recommended.

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Very fast dispatch and once received, the quality of the plates was top class. Excellent customer service and highly recommended.

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Replacement Trials Bike & Motocross Number Plates

For a road-registered trail or enduro bike, keep the plate legible after muddy rides and replace it if it becomes damaged. Competition machines should follow event-specific number-board requirements.

Check the existing mounting area, registration details and intended use rather than choosing solely by appearance.

Order Trials Bike & Motocross Number Plates

Custom Trials Bike & Motocross Number Plates

A standard compliant yellow rear plate is the dependable road-use choice. Decorative race numbers and custom backgrounds belong on competition or display boards, not a UK road registration plate.

Use the online builder to preview choices. Confirm the selected product meets the relevant rules before relying on it as a road-use number plate.

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Choosing and Fitting Trials Bike & Motocross Number Plates

Off-road riding can expose brackets to mud, impact and vibration. Mount a legal road plate securely and check it after rough terrain.

Keep all characters unobstructed. Where there are cameras, lamps, sensors or specialised mounting parts nearby, follow the vehicle manufacturer’s advice.

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Are Trials Bike & Motocross Number Plates Legal?

UK road-use number plates require the correct reflective colours, character format and supplier markings. For plates made or fitted after 1 September 2021, BS AU 145e applies.

A compliant raised-character style may be permitted, but novelty graphics, improper flags, manufacturer badges and altered characters do not become legal simply because a plate is custom-made.

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Road-Registered Trials Bike Number Plates

A registration plate must remain visible, correctly sized and compliant whenever the bike is used on public roads.

If in doubt, measure your vehicle and check the official number plate guidance before confirming your order.

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Motocross Display and Competition Numbers

Racing number boards can be tailored to club or event requirements. Do not confuse them with legal registration plates.

If in doubt, measure your vehicle and check the official number plate guidance before confirming your order.

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Fitting Number Plates to Enduro and Trail Bikes

Fitting Number Plates to Enduro and Trail Bikes


Inspect the tail unit, indicator clearance and plate illumination where required. Avoid shortening plates or changing the character size to fit a small tail tidy.

If in doubt, measure your vehicle and check the official number plate guidance before confirming your order.

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Purchase Trials Bike & Motocross Number Plates

Explore trials bike & motocross styles in the Demon Plates online builder and compare the choices available for your vehicle or display.

Enter the required details, double-check the preview, and select the appropriate specification before you buy.

Build Trials and Motocross Number Plates