440/450-21 LUCAS Olympic Tread Blackwall
$119.00
Originally made by the Olympic Tire Co in the 20’s & 30’s this Lucas 440/450-21 tread pattern is even more popular today because of its beautiful design and eye-catching sidewall.
Description
440/450-21
Balloon tires became available in 1925. They were 21″ × 4.5″ (440/450-21’s) all around. 440/450-21 LUCAS Olympic Tread BW. Balloon tires were closer in design to today’s tires, with steel wires reinforcing the tire bead, making lower pressure possible – typically 35 psi (240 kPa) – giving a softer ride. The old nomenclature for tire size changed from measuring the outer diameter to measuring the rim diameter so 21″ (rim diameter) × 4.5″ (tire width) wheels has about the same outer diameter as 30″ clincher tires.
Wheels were wooden artillery wheels, with steel welded-spoke wheels available in 1926 and 1927.
30.13″ O.D.
4.50″ Section Width
3.30″ Tread Width
Additional information
Weight | 17 lbs |
---|---|
Dimensions | 31 × 31 × 3.5 in |
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