During the early post-war years Borrani made a new disc wheel series called "CABO" - from Borrani
founders initials - targeting custom and one-off vehicles. They were offered with, or without
the centre-lock system, a light alloy rim and had 5 slim windows for brake cooling.
In 1955 the CABO wheels were updated with 10 "Turbo" style windows in a classic oval shape.
The Turbo wheels were offered as:
Normal with steel rim, Sport with light alloy rimand Sprint with light alloy rim and centre-lock system.
The R1-257 was designed during this transitional period. The original drawings from the archive
are dated 17th of September 1954 with the design noted as the CABO series RD3099.
The wheel was re-named the following year to coincide with the release of the new Alfa Romeo Giulietta.
In 1956 the "Turbo Sport" wheel was priced at 12,000 Lire compared to
the 7,000 Lire for a standard steel wheel.
Now the Borrani Turbo Sport R1-257 wheel, designed to fit the Alfa Romeo Giulietta and all models of
Alfa Romeo Giulia (generally called "Bimetal"), is finally available once more.
This true Borrani re-release has been manufactured using our original drawings.
This offers to every Giulietta enthusiast a sporty and elegant alternative to the standard steel disc wheel.
The bolt-on R1-257 4.50"x15" "Turbo Sport" uses the original Alfa Romeo hub cap while the "Turbo Sprint"
series uses the Rudge centre-lock system, being held on by a 2 or 3 eared spinner.
Borrani can offer a full transform kit to allow the fitment of centre lock wheels to cars currently
using bolt-on wheels. The Turbo wheel is supplied as standard with a light alloy rim and
a silver painted centrebut is also available, upon request, with a 5" or 5.50" wide rim and custom colors.
The Borrani Bimetal wheel, as well as being used on custom and sporting Alfa Romeo Giuliettas,
can give an elegant touch to all cars thanks to our high polished light alloy rim.
Borrani Turbo Sport Wheel - without hubcup
Borrani Turbo Sport Wheel - exploded view
Borrani Turbo Sport Wheel - with hubcup
Borrani Turbo Sprint Wheel - Centre-lock System *
The R1-257 has a 4.50”x15” rim, ET 38 mm and 4 x 4.25” bolt pattern, and it is available with Borrani
silver painted centre and polished alloy rim as standard finish. This wheel is suitable
for every model of Giulia and Giulietta with both disc or drum brakes.
Also, we can provide you the correct Cinturato Pirelli 155HR15 tires showed in these images!
For more information, assistance or quotes please contact us!
or by phone at: +1 512 487 9013
The "Turbo Sprint" centre-lock wheel (last picture) is supplied with integral Rudge type splined front hubs,
the installation of these will require complete disassembly of the front brake system.
Follow ous on our Fecebook Page to see more pics!
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