450 - 21 Tyres
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Dougal's Ford Model A on 440 - 21 Tyres
4.50 X 21 Tyres
- Our recommended 450 - 21 vintage tyre is the 4.40/4.50 x 21 Lucas. The Lucas tyre has a high quality, a great price, and a genuine historic tread pattern.
- The best Offset valve innertube for vintage 450 – 21 tyres fitted to European vehicles is the Michelin 20/21CD Offset Valve tube.
- The ideal Central valve innertube for Ford Model A fitted with 450 - 21 vintage tyres is the Long Central Valve Tube 450x20/21.
- The ideal Rim tape suitable for vintage 450 - 21 tyres (for Wire Wheels) is the Rim Tape for Wire Wheel 18" - 21", these tapes are not needed for a Model A Ford.
- 450 - 21 vintage tyres may also be known as: 450 x 21, 21X450 or 21”X4.50”.
- 21 X 4.50 tyres were original equipment on the 1920 Model A Ford.
- Currently, all vintage tyres sized 4.50 – 21 carry dual marking as 440/450 - 21.

Longstone Tyres' Dougal Cawley with the Car S.O.S Guys and Ford Model A's
450 - 21 Vintage Tyres FAQ
Q: What are the best 4.50-21 tyres for a Model A Ford?
A: We are very happy fitting 4.40/4.50 x 21 Lucas tyres on our Model A Ford. We believe it is extremely good value for money, are impressed how well they drive when they are such a good price. We don’t know of a better tyre in the size 4.50-21. Also worth noting that a Model A Ford should fit the Long Central Valve Tube 450x20/21.
Q: What is the cheapest 4.50X21 tyre for an early Austin 12/4?
A: The Austin 12-4 originally fitted 475 - 21 tyres. However we would suggest the 4.40/4.50 x 21 Lucas is extremely good value and also drives extremely well.