A Guide to the types of Borrani wire wheels fitted to early classic Maseratis

Information taken from an early original vintage Borrani brochure sent to me by Dr. George Lipperts.

Chromed Wire Wheels

     MASERATI

WIRE WHEELS WITH SERIES RUDGE CONNECTIONS:
CMR Rudge type wheels for passenger cars are made with a grooved centre (drum) for connection to the hub; they are available in various sizes and types and are divided into two models:

RUDGE RECORD wheels with rim made of light alloy and central part made of steel.

RUDGE STANDARD wheels with rim and central part made of steel.
Model Type Size Our ref. Hub type Wheel type Spokes Type of holes
6 CM - A6G/54 5K x 16  RW-2844 32RC Record 72 Dimpled
250F - 300S - 450S - Barchetta 55/57 5K x 16  RW-2957 42RL Record 72 Dimpled
250F - 300S - 450S - Barchetta 55/57 5½ x 16  RW-2958 42RL Record 72 Dimpled
250F - 300S - 450S - Barchetta 55/57 5K x 16  RW-2963 42RL Record 72 Dimpled
300S - Barchetta Sport 1955/57 5K x 16 RW-3060A 42RL Record 72 Dimpled
3500GT 6½ x 16 RW-3875 42RCF Record 72 Dimpled
3500GT 6½ x 16  RW-3994 42RCF Record 72 Not dimpled
Mexico - Mistral 6½ x 16  RW-4121 52/62 Record 72 Not dimpled



MASERATI

WIRE WHEELS "S" TYPE FOR BOLT ATTACHMENT:
CMR produces a particular type of wire wheel named "S", developed for direct mounting onto the car's brake disc/drum. This wheel is provided with a type of fixture which has the same characteristics as the disc wheel originally mounted.
Model Type Size Our ref. Fixture type Wheel type Spokes Type of holes Spokes Type of holes
Mistral/Mexico 6½ x 15  RW-4198 4 x 130 Record 72 Dimpled 32 120
Quattroporte 4900 7½ x 15  RW-4415 5 x 112 Record 60 Dimpled 10 140



Locking Nuts/Spinners