A Alfa Romeo Giulietta (1954–1965) uses a 4x98 or 5x110 PCD and a centre bore of 58.1 or 65.1 mm.
Any wheel must match the vehicle's PCD exactly: there is no tolerance, unless you use a PCD adapter.
Centre bore: the wheel must have a centre bore of 58.1 mm or more. If it is larger (as with most aftermarket wheels), add a hub centric ring wheel centre bore → 58.1 mm.
Offset: the original is ET40 to ET41. Compare your future wheel with the offset calculator (your vehicle is already selected) to see how many millimetres further in or out it will sit.
Fixings: thread -. The nuts or bolts must have the same seat (conical, spherical or flat) as the wheel.
Tyres: original fitment is 185/70R13, 205/55R16. For another size, check the diameter difference with the equivalence calculator (under 3 % recommended).
All recorded versions (2)
The original specs vary with the year, trim or wheel size. Identify your version from the tyre size marked on the sidewall.
Version
PCD
Centre bore
Wheel
Offset
Tyre
Version 1
4x98
58.1 mm
—
ET40
185/70R13
Version 2
5x110
65.1 mm
—
ET41
205/55R16
Vehicles with the same PCD and centre bore
Same 4x98 PCD and same 58.1 mm centre bore: wheels from these vehicles bolt on and centre on a Alfa Romeo Giulietta without rings. Offset, width, diameter and caliper clearance still need checking.
These vehicles also use 4x98 but with a different centre bore: their wheels need a hub centric ring if their centre bore is larger than 58.1 mm, and will not fit if it is smaller.
A Alfa Romeo Giulietta (1954–1965) can have a 4x98 or 5x110 PCD depending on the version: check on an original wheel.
Does a Alfa Romeo Giulietta need a hub centric ring?
The centre bore (hub diameter) of a Alfa Romeo Giulietta is 58.1 or 65.1 mm. A wheel with a larger centre bore is fitted with a hub centric ring that brings it down to the hub diameter. A wheel with a smaller centre bore cannot be fitted.
What offset (ET) for a Alfa Romeo Giulietta?
The recorded original offset is ET40 to ET41 depending on the version and wheel size. A lower ET pushes the wheel outwards, a higher ET pulls it inwards: check wheel well and caliper clearance before making any change.
Which vehicles have the same PCD as a Alfa Romeo Giulietta?
With the same PCD (4x98) and the same centre bore (58.1 mm), these include: Alfa Romeo Mito, Alfa Romeo Mito 1.4 Sport, Alfa Romeo Mito 1.6 JTDm Sport, Alfa Romeo 146. Offset, width and rim diameter still need checking for each vehicle.
Does a value look wrong, or is a version missing? Let us know, we check every report.
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