Tamiya 50390 - RD 3645 Rear Sponge Tyre for F103/103GT Racing Compound [50390]

Tamiya 50390 - RD 3645 Rear Sponge Tire SP-390

Price:

NZD$17.90

Brand:

Tamiya

Model:

50390

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Spares / Hop-ups - Tamiya - F103

High Grip Rear Sponge Tyres for F103/103GT

The Tamiya 50390 - RD 3645 Rear Sponge Tire is tailored for the F103 and 103GT chassis, delivering a sticky feel that helps with mid-corner control. Its sponge construction is crafted to give repeatable grip under race conditions.

Why Choose the Tamiya 50390 Sponge Tyre

Compatibility: Specifically matched to the mounting and dimensions of Tamiya F103 and 103GT cars.
Material: Engineered sponge compound for enhanced traction on flat surfaces.
Performance: Helps stabilise the rear end for cleaner exits and reduced oversteer.
Durability: Designed for consistent performance over multiple events.

Can I use inserts with these sponge tyres?

Many racers use light foam or closed-cell inserts to support the tyre profile. Choose an insert that matches your rim width and track conditions for best results.

Are sponge tyres hard to mount?

Mounting is straightforward but benefits from patience: seat the tyre evenly, trim any excess flash, and ensure glue is applied evenly if required for your rims.

How do I keep grip consistent across sessions?

Clean tyres between runs to remove rubber pickup, check tyre roundness, and swap left/right if your setup allows to even out wear patterns.