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+44 (0)1753 549 360
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Fitment Guide
MG Midget Mk I, Mk II, Mk III and 1500
| Body |
Sports |
| Engine |
948 cc, 1098 cc, 1275 cc or 1493 cc / 4 cylinder |
| Year |
1961 - 1979 |
Wheels
| Original |
XW458 |
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| Rim Size |
4" x 13" |
| Centre |
42mm Curly |
| Number of Spokes |
60 |
| Finish |
Chrome or silver-painted |
| Lacing |
Inner & Outer |
| Inset (mm) |
17.5 |
| Back Spacing (mm) |
81.5 (+/- 3)
Click here to view an explanation of inset, outset and back spacing. |
| Tyre |
5.20x13 (Dunlop C41 crossply, original fitment)
145R13 (standard from August 1965) |
| Tube |
The chrome wheel has been tubeless since December 2018; and the silver-painted wheel has been tubeless since June 2018
If you have the older, tubed wheels or are fitting tube-type tyres you will need 135/145 x 13 tubes and we recommend 13"/14" rim bands |
| Notes |
3½" x 13" steel disc wheels were originally fitted as standard but silver-painted wire wheels were a factory option |
Other Wheel Options
| Options |
XW5785
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XW5797
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| Rim Size | 5" x 13" | 5½" x 13" | |
| Centre | 42mm Curly | 42mm Curly | |
| Number of Spokes | 60 | 60 | |
| Finish | Silver-painted only | Chrome | |
| Lacing | Inner & Outer | Centre | |
| Inset (mm) | 24.3 | 1.5 Outset | |
| Back Spacing (mm) |
100 (+/- 0.5)
Click here to view an explanation of inset, outset and back spacing.
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81.5 (+/- 3)
Click here to view an explanation of inset, outset and back spacing.
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| Tyre | 450L13
155R13 or 165R13
This rim is the optimum rim size for the 450L13 race tyre | 185/60R13 or 185/70R13 - subject to availability | |
| Tube | 155/165 x 13 tube with 13/14" rim bands. | Tubeless
This wheel has always been tubeless. Tubes are only required if fitting tube-type tyres.
If you are using tube-type tyres or wish to fit a tube for any other reason then please contact us about tubes. We recommend using 13/14" rim bands. | |
| Notes | This wheel should fit with no modifications but, as with all non-standard options, a fitment check is recommended. | Modifications may be required for "Square Wheel Arches", axle may sit further to right/left.
This fitment is not tried, tested or verified by MWS for square wheel arch vehicles. | |
| Notes |
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| Warranty |
Stainless Steel and Chrome: two year structural and cosmetic
Painted: two year structural and one year cosmetic
The warranty period commences from the date of invoice and is subject to the wheels being maintained as per our Wheel Care advice and in conjunction with our Terms and Conditions. Please retain the warranty tag supplied with each wheel as it contains the information required to identify the wheel in the event of a claim.
Please note: MWS warranty automatically becomes void if the wheels have been: subject to re-work or change; fitted with tyres other than the manufacturer’s recommended fitment; or used for track events.
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Splined Hubs
| Option 1 | Bolt-on splined hubs - recommended option for conversion from steel wheels to wire wheels - you will need to check the clearance on the front brake pipes :
RSK193 - Left (fixing nuts supplied)
RSK192 - Right (fixing nuts supplied)
The first time you fit bolt-on hubs it is recommended that customers purchase an additional spare nylock nut to use as a cutting guide.
When fitting : place the bolt-on hub onto the studs and screw on the spare nut; cut the stud down; remove the spare nut; apply the spare nut to the next stud and repeat. When all the studs have been cut down to the right size fit the hubs using all new nuts and dispose of the spare nut.
This advice applies to the nylock nuts but not the standard nuts because of the safety implications of any damage to the nylon inner.
If you have to remove the nuts for any reason in the future then as long as the nylon inner is undamaged they can theoretically be refitted but for safety's sake we would recommend they are replaced.
Replacement fixing nuts (RN38NYLOCK) are available
OR
RSK373 - Left
RSK372 - Right
Four RN38 per hub
Bolt-on splines, unless fitted as original equipment, will increase the track by up to 1¼" per wheel
Studs will require shortening, click here for a diagram
Click here for a guide to fitting hubs, caps and centre-lock wire wheels |
| Option 2 | Integral splined hubs - if converting from steel wheels to wire wheels this option requires extensive modification - half shafts have to be replaced at the rear and the steel wheel brake discs replaced by wire wheel brake discs :
RSK111 - Front Left for Disc Brakes
RSK110 - Front Right for Disc Brakes
RSK109 - Rear Left
RSK108 - Rear Right
These integral splined hubs are 8 TPI, however, Midget Mk I (GAN1+2) may have 12 TPI splined hubs; these are available to special order.
Integral fitting hubs so no nuts necessary
Click here for a guide to fitting hubs, caps and centre-lock wire wheels |
Spinners
Retaining Nuts
Extra Information
| Other comments |
A small number (around 20 cars) were manufactured in 1962 with wider rear axles.
Slight modifications may be required for "Square Wheel Arches", axle may sit further to left/right.
Always check the history of the vehicle to ensure that there have been no modifications to the running gear.
Hubs/splines, spinners and nuts remain the same, unless noted otherwise, regardless of which wheel is fitted.
We also stock wire wheel maintenance accessories such as our Cleaning Kit (Refills available), Cleaning Brush, Degreaser and Tyre Foam.
If you require any more information or advice please contact us:
UK - 01753 549 360 - e-mail Sales
Overseas - +44 1753 598 382 - e-mail Isabella
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Pictures
XW458 Chrome
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XW458 Silver-painted
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XW5785 Silver-painted
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XW5797 Chrome
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XW5797 Silver-painted
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BXW775 Chrome
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UK Sales: 01753 549 360
UK Fax: 01753 547 170 | | Export Sales: +44 (0) 1753 598 382
| | Motor Wheel Service International Ltd, Units 1-4 Elder Way, Waterside Drive, Langley, Slough, Berkshire, SL3 6EP, UK |
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