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Description
Spitfire Formula Four Lock In Full 99DU Wheels
A wider take on Spitfire’s classic lock-in shape, built from 100% True Performance Urethane for consistent speed and control. At 54mm, with a conical cut outer edge and a straight inner lock-in, these wheels stay stable across rough ground and smooth park transitions alike. Finished in natural Formula Four with an asymmetrical profile and classic Spitfire graphics.
- Set of four Lock-In Full 99DU wheels
- Crafted from 100% true performance urethane
- 99 durometer with a 54mm diameter
Product Details
- 100% True Performance Urethane
- Set of 4
- 54mm Diameter
- 99 Durometer

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Description
Spitfire Formula Four Lock In Full 99DU Wheels
A wider take on Spitfire’s classic lock-in shape, built from 100% True Performance Urethane for consistent speed and control. At 54mm, with a conical cut outer edge and a straight inner lock-in, these wheels stay stable across rough ground and smooth park transitions alike. Finished in natural Formula Four with an asymmetrical profile and classic Spitfire graphics.
- Set of four Lock-In Full 99DU wheels
- Crafted from 100% true performance urethane
- 99 durometer with a 54mm diameter
Product Details
- 100% True Performance Urethane
- Set of 4
- 54mm Diameter
- 99 Durometer























