Rolls Royce 20 Tyres

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Rolls Royce 20

Rolls Royce 20HP 1922–1929

In the early 1920s when Rolls first made the 20 Horse Power they fitted 23” wheels. We would recommend the 32 x 4 1/2 (23" rim) 500 x 23 Lucas.
These early cars require a 23” flaps and Reinforced 815X105 innertube, and should run at 65psi.
By 1927 the 20 HP Rolls Royce fitted 21” well-based wheels. We would suggest 5.25 x 21 Lucas, as a comfortable quiet tyre.
Depending on the body style we would suggest the tyre pressure 36psi with 21” wheeled 20 hp Rolls.
Some 20 HP Royces had 20” for which we would suggest 6.00 x 20 Lucas at 34psi depending on the body.
20 HP Rolls Royce with 20” or 21” wheels need innertubes, the 19/20 H RET Michelin we believe is the best. You will also need a rim tape.

Rolls Royce 20 Recommended Tyres

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32 x 4 1/2 (23" rim) 500 x 23 Lucas

Starting at £298.80 £249.00
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5.25 x 21 Lucas

Starting at £169.00 £169.00
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6.00 x 20 Lucas

Starting at £226.80 £189.00
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Reinforced Inner Tube 815X105

Starting at £48.00 £40.00
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Michelin 19/20H RET Offset Valve Inner Tube

Starting at £56.40 £47.00
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Rim Band for Wire Wheel 18" - 21"
£4.80 £4.00

Other Options for Rolls Royce 20 Tyres

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6.50/7.00 x 19 Ensign B5
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5.25/5.50/6.00 x 20 Ensign F4

Starting at £261.60 £218.00
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6.00 x 20 Firestone

Starting at £438.00 £365.00
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5.25 x 21 Firestone

Starting at £328.00 £328.00
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6.50 X 20 FIRESTONE Whitewall

Starting at £631.20 £526.00
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32 x 4 1/2 (23" rim) B.F.Goodrich

Starting at £576.00 £480.00
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6.00 x 20 B.F.Goodrich

Starting at £438.00 £365.00
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5.00/5.25 x 21 Excelsior Comp H

Starting at £238.80 £199.00
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5.00/5.25 - 21 Excelsior

Starting at £205.20 £171.00
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33 x 5 (23" rim) Lucas

Starting at £322.80 £269.00
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31 x 4 (23"rim) Lucas

Starting at £246.00 £205.00
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Set of 4 off 33 x5 (23" rim) Lucas

Starting at £1,224.00 £1,020.00
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Set of 5 off 33x5 (23" rim) Lucas

Starting at £1,522.80 £1,269.00
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Set of 4 off 32 x4 1/2 (23" rim) 500 x 23 Lucas

Starting at £1,162.80 £969.00
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Set of 5 off 32x4.5 (23" rim) 500x23 Lucas

Starting at £1,440.00 £1,200.00
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Set of 4 off 5.25 x21 Lucas

Starting at £650.00 £650.00
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Set of 5 off 5.25x21 Lucas

Starting at £800.00 £800.00
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Set of 4 off 6.00 x20 Lucas
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Set of 5 off 6.00x20 Lucas

History of the Rolls Royce 20

The Rolls-Royce Twenty, constructed between 1922 and 1929, was the company's "small car" for the 1920s, alongside the 40/50 (Silver Ghost) and Phantom models. It was intended to attract to drivers, but many were sold to consumers with a chauffeur. For the 3127 cc vehicle, a new in-line 6 cylinder overhead valve engine was built. The cylinders were cast in one block, unlike the Silver Ghost engine, and the cylinder head was removable. A coil and magneto ignition system were both installed. Early automobiles featured three-speed transmissions with the gear lever in the centre of the car, but this was modified to a four-speed one with standard right-hand change in 1925. The power was sent to the back axle through a torque tube.

The huge chassis included stiff front and rear axles supported by half elliptic springs, with braking originally limited to the rear wheels. In 1925, four-wheel brakes with mechanical servos were introduced. The classic Rolls-Royce radiator with a triangle top was installed, and early models featured enamel-coated horizontal movable slats, which eventually changed to a nickel finish before becoming vertical.

A chassis cost £1100 in 1920, with a full tourer bodied automobile costing roughly £1600. The car could achieve 60 mph with coachwork to the manufacturer suggested weight, but many owners had big limousine bodies installed, which had an unavoidable negative effect on performance.