135 R 400 Michelin X

In stock
135R400 Michelin X
£181.20 £151.00
Michelin 16C Offset Valve Inner Tube
£30.00 £25.00
Rim Tape for Wire Wheel 14" - 17"
£4.80 £4.00
Pack of 5 Classic Valve Caps
£4.20 £3.50
Pack of 5 Classic Car Tyre Valve Collars
£4.20 £3.50

The Overall Diameter of the 135 SR 400 Michelin X is 631 mm and the width is 138 mm. For more information on the 135 SR 400 Michelin X please see below or call +44 (0) 1302 711 123.

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135 R 400


It's worth noting that the 135 R 400 tyre size is not as commonly available as other tyre sizes, so it is more important to make sure that you choose a high-quality tyre from a reputable manufacturer like Michelin or Pirelli. Currently only Michelin produce a tyre in this size.

The 135 R 400 tyre size provides a comfortable and smooth ride due to its tall sidewalls that absorb shocks and vibrations. This tyre size applies to cars such as the early 2CV, and pre 1956 models of the Renault 4CV.

135 R 400 Michelin X Tyres

Michelin Advert - Who Invented the Radial?



135 R 400 73 S


The tire size 135/80 R 400 73 S indicates:

  • The tire width is 135mm at its widest point (not just the tread width).
  • The height of the tire sidewall is 80% of 135mm.
  • The tire has an R, which means it is a radial tire.
  • The tire has a load index of 73, which means each tire can carry a weight up to 365 kgs.
  • The tire is speed rated S, which means it can handle speeds of up to 112mph or 180km/h.
135 R 400

1957 Michelin Advert - Incredible Road Holding


Michelin X Tyres


The first major Michelin innovation, the radial ply tyre was marketed under the name "Michelin Radial X" in 1949. The Michelin X was the first radial tyre ever built, and was developed during the second world war.

The Michelin X tyre range has been around for over 70 years and now includes summer, winter, and all-season tyres as well as tyres designed for specific vehicles and driving conditions, with whitewall options available for the fashion conscious driver.

One of the key features of the Michelin X tyre is its advanced tread pattern, which is designed to deliver excellent grip and handling in all weather conditions. The tread pattern includes multiple sipes and grooves that help to channel water away from the tyre, providing improved wet-weather performance and reducing the risk of hydroplaning.


The durable construction and high-quality modern materials used in its manufacturing process ensure that this tyre can withstand the toughest of conditions and provide you with optimal performance. Additionally, its reinforced sidewalls help to resist punctures and damage, giving you peace of mind while driving.

The performance advantage of the X tyre in the 1950s was such that many racing drivers adopted them despite the fact that Michelin was not an official partner of any race series at the time.

The 135 R 400 Michelin X has a load index of 73, meaning each tyre can withstand up to 365 kgs. or 1460 kgs. in total car weight, and a speed rating of S, allowing speeds up to 112mph.

135 R 400 Tyres

1963 Michelin X Promotional Poster


Vintage Michelin Fitment Guide - 135 R 400 Tyres 2CV Fitment Guide

Vintage Michelin Fitment Guide - 135 R 400 Tyres


135 SR 400 Tyres


The 135 R 400 Michelin X is a durable tyre designed for optimal performance, with reinforced sidewalls for puncture resistance and flexible sidewalls for a comfortable ride.

Moreover, the 135 R 400 Michelin X was engineered with fuel efficiency in mind. This tyre has been designed to reduce rolling resistance, resulting in lower fuel consumption and decreased CO2 emissions. Compared to a crossply tyre the Michelin X greatly increased mileage efficiency, but the flexible sidewalls allow a comfortable drive.



135 R 400 Innertubes


The 135 R 400 Michelin X is a tube-type tyre that requires innertubes to properly and safely function, the correct tube size for this size is 16C and the recommended tube manufacturer is Michelin. - Michelin 16C Offset Valve Inner Tube.

135 R 400 Tyres Renault 4CV

1950 Renault 4CV Le Mans Racer on 135 R 400 Michelin X Tyres


135 R 400 Tyres Michelin X

Michelin X Poster

INDICATED WIDTHASPECT RATIORADIALRIM DIAMETERLOAD INDEXSPEED RATINGMANUFACTURERTREADTUBELESS
135 80 R 400 73 S MICHELIN X Tube Type ( TT )
More Information
BRAND Michelin
TYPE Radial
ACTUAL WIDTH 138 mm / 5.43"
OVERALL DIAMETER INFLATED 631 mm / 24.84"
RIM DIAMETER 400 mm / 15.75"
TREAD WIDTH N/A
ROLLING CIRCUMFERENCE 1918 mm / 75.51"
WEIGHT OF TYRE 6.0 Kgs
LOAD INDEX 73 = 365 kgs
SPEED RATING S = 112mph / 180 km/h
RECOMMENDED TUBES Michelin 16C13
TUBE OR TUBELESS TT (Tube Type)
RECOMMENDED RIM WIDTH 125 mm 135 mm 145 mm
WHITEWALL Can be applied please call +44 (0) 1302 711123 for your requirements
Whitewall Width N/A
ALTERNATIVE SIZE DESCRIPTION 135/80-400 , 135/80 -400 , 135/80 - 400 , 135 80 - 400 , 135-400 , 135 -400 , 135 - 400 , 135/80S400 , 135/80 S400 , 135/80 S 400 , 135 80 S 400 , 135S400 , 135 S400 , 135 S 400 , 135/80SR400 , 135/80 SR400 , 135/80 SR 400 , 135 80 SR 400 , 135SR400 , 135 SR400 , 135 SR 400 , 135/80R400 , 135/80 R400 , 135/80 R 400 , 135 80 R 400 , 135R400 , 135 R400 , 135 R 400 , 135/80X400 , 135/80 X400 , 135/80 X 400 , 125 80 X 400 , 135X400 , 135 X400 , 125 X 400 , 135/80 400 , 125/80 400 , 135/80 400 , 135 80 400 , 135 400 , 135 400 , 135 400 , 135/80*400 , 135/80 *400 , 135/80 * 400 , 135 80 * 400 , 135*400 , 135 *400 , 135 * 400
PRODUCT TYPE Single Tyre
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Customers Reviews
  1. 5
    This is a tire well known to me from 40+ years ago. I had Michelin XAS on my '70 Datsun 510, a superb tire. When my mechanic recommended these for my '69 Citroen DS as well as your company as a source, I immediately ordered a set of 5 plus the Michelin tubes. The shipping was quite prompt!

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  2. 5
    My new wire wheels are tubeless type and I thought the XAS tyres would be too. Have now purchased tubes from you.

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  3. 5
    They look a very good tyre and I'm happy with the information that Dougal has talked about on the Link and what I have read about these Tyres myself

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