Kadett Rear Tyre / MK1 1/24 Shore 25 Racing x 2 units

BRM Shore 25 Racing Rear Tyres for Kadett and MK1: the soft compound that makes a difference in 1/24

When competing with classic Group 2 cars in 1/24 scale, the choice of tyre is as crucial as the preparation of the chassis. BRM knows this, which is why they developed the BRM-S404KG: a rear tyre in Shore 25 compound —soft hardness— designed exclusively for the Opel Kadett and Ford Escort MK1 in their catalogue. This pack includes 2 units ready to mount.

Function and Performance

The Shore 25 is one of the softest compounds in BRM's Racing range. With lower Shore hardness, the effective contact surface with the track increases, resulting in significantly superior traction, especially in corners and during acceleration phases after the apex. For Group 2 models —where weight is distributed specifically and power reaches the rear axle— having a tyre that performs well from the first few metres of the race is a real competitive advantage.

The Racing compound has been formulated to provide a uniform footprint and lateral stability that reduces chassis roll during hard cornering. Wear is progressive: performance does not drop sharply at the end of the race but remains within a consistent grip range throughout its lifespan.

Compatibility

These tyres are specifically designed to fit the original rear rims of the following BRM models in 1/24 scale:

• Opel Kadett (Group 2, 1/24 BRM)
• Ford Escort MK1 (Group 2, 1/24 BRM)

They are not intended as a universal tyre: their geometry corresponds to the specific measurements of the rims of these models. Before purchasing them for another vehicle in the BRM range, it is advisable to check compatibility with the corresponding reference.

Mounting and Preparation

As it is a soft compound, it is advisable to carefully check the centring and adhesion of the tyre to the rim, ensuring that the bond is uniform to avoid vibrations during operation. A well-mounted and slightly turned Shore 25 tyre —if track facilities allow— offers the maximum potential of the compound. Pre-cleaning the rim before adhesion ensures lasting grip.

Common Mistakes

• Using Shore 25 on high-grip tracks without turning: this can cause excessive grip that hinders turning. On tracks with high grip, consider a harder compound or lightly turning the tyres.
• Mounting the rear tyre in the front position: these tyres are designed for the rear axle. They are not interchangeable with the front tyres.
• Forcing mounting on incompatible rims: being a specific reference for Kadett and MK1, using them on other rims may compromise both fit and performance.

Frequently Asked Questions

What does Shore 25 mean in a slot tyre?

The Shore scale measures the hardness of rubber. A value of 25 indicates a very soft compound, which deforms more upon contact with the track and offers a greater grip surface. It is ideal for medium-low grip tracks or when maximum traction is sought from the start of the race.

Does this pack include front tyres?

No. The BRM-S404KG pack contains only 2 rear tyres. The front tyres correspond to different references in the BRM spare parts catalogue.

Are they valid for any BRM 1/24 model?

No. They are specifically designed for the Opel Kadett and Ford Escort MK1 from BRM in 1/24 scale. For other models in the range, consult the specific tyre references in the BRM spare parts catalogue.

Do I need to turn them before use?

It is not mandatory, but it is advisable if a lathe is available. A slight turning equalises the diameter of both tyres and optimises contact with the track, especially in competition. For recreational use, they can be mounted directly.

What adhesive is used to attach them to the rim?

Soft rubber tyres are usually adhered with low-viscosity cyanoacrylate, applied in small amounts on the rim. Ensure that the rim is clean and dry before gluing.

BRM Shore 25 rear tyres for 1/24 slot racing — reference BRM-S404KG. Soft compound Racing tyres designed for Opel Kadett and Ford Escort MK1 slot cars in 1/24 scale. Pack of 2 units. High-grip rubber for medium-low grip tracks, progressive wear and consistent performance throughout the race. Compatible with original BRM rims for these Group 2 models. Available at Ministry of Hobby, your specialist in slot car spares and accessories.