Wheel sizes of Alfa Romeo 8C Competizione
General characteristics:
  • Wheel width in the standard state without load (B): from 145-158 to 305-326;
  • Full diameter (D): from 561-572 to 827-837;
  • Circumference (L): from 1714 to 2598;
  • Wheel profile, height (H): from 64 to 172;
  • Rpm per 1000 (m): from 384.9 to 567.2.
Possible wheel sizes for Alfa Romeo 8C Competizione:
  • 20 ''
Fastener thread:

In most cases, wheel fastener thread has metric threads with fine pitch (М12х1.25/М12х1.5/М14х1.25/М14х1.5), which must correspond to the threads of thread studs or threaded holes in the wheel hub.

Important: fastening of wheel to the wheel hub is carried out using threaded connections, depending on the modification of vehicle, the designer uses bolts or studs with nuts.

Possible sizes for all Alfa Romeo models of different years of manufacture and modifications
General view spravka
General view

Tire spravka
Maximum tire sizes for Alfa Romeo

Disk spravka
Possible disk sizes for Alfa Romeo of different years of manufacture and modifications

Wheel spravka
Possible wheel sizes for Alfa Romeo of different years of manufacture and modifications

Dimensions wheels

(General view)
245/40R20
275/35R20
20x8.5
20x10.0
20''
Table of dimensions of wheels of Alfa Romeo 8C Competizione
Year spravka
Year of production

Size spravka
Tire size in format:

1. Width of work face.

2. Percentage of profile height from width.

3. R is type of construction (radial) - inner diameter (in inches).

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B (mm) spravka
Wheel width:

1. Nominal wheel width (excluding protective belt).

2. Maximum width during operation.

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D (mm) spravka
Wheel diameter:

1. Nominal size of outer diameter (2xR) of the wheel.

2. Maximum size during operation.

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L (mm) spravka
Wheel circumference in (mm)

H (mm) spravka
Wheel profile:

Wheel profile (height) for models of different years of manufacture.

spravka

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Wheel revolutions per (km) under standard conditions

Alfa Romeo 8C Competizione 4.7 i V8
2007245/40R20245-258704-712214798452.2
2007275/35R20275-289701-708213596454.4
Alfa Romeo 8C Spider 4.7
2008245/40R20245-258704-712214798452.2
2008275/35R20275-289701-708213596454.4
2009245/40R20245-258704-712214798452.2
2009275/35R20275-289701-708213596454.4
2010245/40R20245-258704-712214798452.2
2010275/35R20275-289701-708213596454.4

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