Jantes et Pneus 5HP Rims Tyres DOSSIER 140320 .pdf



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Date : 14/03/20
Manufacturer
Denomination

DOSSIER - JANTES & PNEUS - RIMS & TYRES for CITROEN 5 & 10 HP
MICHELIN
Beaded Edge Rims –
« flat base «
700x80

Identification :
Distance between
wheel studs
Fitted by Citroen /
Later

… on vehicle type :

Flat base or wel base
rim
Flat or curved rim
side
Position of valve

... for tyres …

fitted by Citroen

Beaded Edge Rims –
« flat base «
720x120

Small 100 mm

Beaded Edge Rims –
« flat base «
715x115

& Width of tyre : 80 mm

Large 130 mm

Large 130 mm

Citroen

Citroen

Citroen

Citroen

Citroen

5HP
Type C Short
Wheebase Chassis
1922 & 1923
Type C3 Long
Wheebase Chassis
Oct 23 a Mars 1924

10 HP

10 HP

10 HP

5HP

Type A 1919 to 1921

B2 after 03/1924 and
1925

B12 1926

B2 1921 to 03/1924.

B10 1924

B14F 1927

Large 130 mm
From 1927

( Cf. Note 3 )

Fitted on Peugeot 5cv

B14G 1928

Well base rim

Flat initially

Curved

Inside the rim

Curved

Curved

Curved

Outside the rim
NO ; but in some cases the valve exited outside via a bump in the side of rim

545mm
495 mm
73 mm
51 mm

YES ( water drop shape )
482mm
450 mm
83 mm
61 mm

Haute Pression … 3 a 4 Kg
700x80 ou 700x85
"Cablé"
Haute Pression …
( 3 a 4 kg )

Citroen

Small 100 mm

10 HP

Type C3 Long
Wheebase Chassis
March ‘24 to end 1926

Flat base rim

MICHELIN

Wired-on Rims
Wired-on Rims
Wired-on Rims
Wired-on Rims
– « Well base »
– « Well base » "
,,,,
– « Well base »
Bibendum 12x45
Bibendum 13x45
400x18
10x48 or 400x19
Example : 12x45 means : Width of tyre : 12 Example : 4.00x18 , or 400x18 means : Width
diameter of tyre : 18 inches
cm & Internal diameter of tyre : 45 cm

Small 100 mm plus
Large from 1925

Large 130 mm

482 mm
446 mm
88 mm
65 mm

Basse Pression 2.5 Kg

710x90 "Cablé"
Haute Pression …
( 3 a 4 kg )

… Beaded edge
720x120
"Cablé Confort"
Basse Pression …
( 2,5 kg )

730x130
"Cablé Confort"
Basse Pression …( 2,5
Kg )

Grey or black

98 mm
75 mm

510 mm
480 mm
80 mm
60 mm

Tres Basse Pression 1.25 a 1.75 Kg

715x115
"Cablé Confort"
Basse Pression

Non

11x45 or 12x45
720x120 ou 730x130 Confort Bibendum
Tres Basse Pression
"Cablé Confort"
1.25 a 1.75 Bars
Basse Pression
1928 to 1934

not fitted by Citroen

Tyre colour

Beaded Edge Rims –
« flat base «
730x130

Example : 700 x 80 means : External diameter of tyre : 700 mm

Valve hole in rim side
RIM DIMENSIONS
EXT Diameter
INT diameter
EXT Width
INT Width

Beaded Edge Rims –
« flat base « "
710x90

( Cf. Note 3 )

… Wired on
13x45
"Confort Bibendum"
Non
Basse Pression
1928 to 1934
14x45
Confort Bibendum
Tres Basse Pression
4.00 x 18
1.25 a 1.75 Bars
1928 to 1935
black

Non

10x48 ou 4.00 x 19

Note 1: You can glue 3mm of rubber to the bottom of the rim to compensate for the difference in diameter between 45 cm and 18 inches to avoid possible wobble... but
experience has shown that these tires work very well without this addition.
Note 2: There were no Michelin 4.00x18 rims; but the 4.00x18 tyres can be used on 11/12x45 rims.
Note 3: 11/12x45 wired-on rims were fitted from 1927 onwards to replace beaded edge rims and tyres at Michelin's insistence.
Note 4: Michelin Cablé-Confort tires were the only low-pressure beaded edge tyres; they are not available today.
Note 5: The identification of tyres has evolved over time:
" 700 x 80 " means: outside diameter of the wheel (rim + tire): 700 mm and width of the tyre: 80 mm.
"12x45" means: section width: 12 cm and outer diameter of the rim: 45 cm.
"400x 18" means: flange width: 4.0 inches and outer rim diameter: 18 inches.
A selection of Tyres and tubes currently available :
Pneus
Coker Button
710x90
Beaded Edge
Excelsior 76M
Universal Tyre
26x3
£262.80 inc
Diam: 692 mm
VAT
Larg: 92 mm
£214.80 TTC
700x80 ou26x3 710x90 Ensign
EnsignDiam:
Chevron
705mm
Corde
Larg: 85mm
Diam: 710mm
172,50 € TTC
Larg: 90mm
246,49 EUR
Chambres a
710x90 RET
710x90 RET
Chambre
air
Michelin longue Michelin
avec Valve
valve droite en
longue valve
Droite
métal
droite en métal Michelin H/D
caoutchouc
caoutchouc
(Renforcé)
renforcé
renforcé
710X90
48,30€
48.30 € TTC
48.30 € TTC

730x130
Excelsior
Diam: 725mm

715x115
Waymaster
Cord

12x45
Michelin DR

13x45
Michelin DR

400x18 Metzeler
Block K

Larg: 125 mm

Diam: 714mm

Diam: 730mm

Diam: 670 mm

£402.00 TTC

Larg: 115 mm
299,46 € TTC

Larg: 143 mm
248,40 € TTC
Waymaster
Thirty
11/12x45
Diam: 705mm
Larg: 123 mm
178,02 € TTC
Chambre avec
Valve Droite
Michelin H/D
(Renforcé)
710X90
48,30€

Diam: 740
mm
Larg: 149 mm
264,96 € TTC
Avon
Supreme
13/14x45
Diam: 767mm
Larg: 147 mm
224,94 € TTC
Chambre
avec Valve
Droite
Michelin H/D
(Renforcé)
710X90
48,30€
Chambre à
Valve Oblique
Michelin
18/19CD
34,50 €

Chambre
avec Valve
Droite
Michelin H/D
(Renforcé)
710X90
48,30€

Chambre avec
Valve Droite
Michelin H/D
(Renforcé)
710X90
48,30€

Chambre à
Valve Oblique
Michelin
18/19CD
34,50 €

Larg: 118 mm
83,90€
Heidenau K2870 P
4.00x18
Diam: 697 mm
Larg: 124 mm
93,80 € TTC
Chambres à air moto
Michelin 18 MFR
830920 TR4

22,08 EUR

In summary ...
Until March 1924 (1/3 of the production), the 5HP were equipped with 700x80 or 700X85 Michelin "Câblé" high pressure beaded tyres ( 4 Bars ), on flat base rims, with
small spacing between bolts ( 100 mm ).
From March 1924 until the end (1926), the 5HP were equipped with Michelin "Câblé Confort" Low Pressure 715x115 beaded edge tyres (2,5 Bars), on flat base rims, with
small spacing (100 mm) until the end of 1924, then 100 mm or 130 mm.
The wired on Michelin Rims with "hollow base" 11-12x45 appeared in 1927 with the "Confort Bibendum" tyres with Very Low Pressure (1,75 Bars) and were fitted in
replacement of thebeaded edge rims (on strong incentive of Michelin, because the beaded edge tyres 715x115 "Câblé Confort" Low Pressure ( 2,5 Bars ) were
unsatisfactory ( shimmy ) and the wired on wheels offered '' a much better longevity, better road holding, more comfort and an easier replacement of the envelopes '' (and
probably a lower cost ).
Nowadays, it is possible to find beaded edge (700x80, 715x115) and wired on (12x45) tyresand at much lower prices, 400x18 (sidecar, flat profile) tyres for 12x45 rims
because the difference in diameter is only 7 mm; it is also possible to fit 400x19 Michelin rims (with 3.50x19 tyres) which were fitted to the Peugeot 5CV.
Group purchases are organized periodically by the Amicale 5HP / JP Roland.

TYRE PRESSURE
All beaded edge tyres (700x80 or 26x3 and 715x115) currently available commercially must be inflated to :
High Pressure ( 3.1 to 4.1 bars )
The Michelin 715x115 "Câblé Confort" beaded edge tyres fitted to 5HP from 1924 to 1926 were inflated to :
Low Pressure (1.4 to 2.4 bar).
This type of tyre has not been produced since this period.
During the years 1980 to 2000, Michelin produced 715x115 "Double Rivet" beaded tyres which were supposed to be inflated at : Low Pressure ( 1.5 bars )
... but now Michelin recognises* that these tires should have been / should be inflated to:
High Pressure (4.0 bars)
During the 1980s, Durandal produced 715x115 beaded tires that were supposed to be inflated to :
this instruction was wrong **, so it is prudent to inflate these tyres to:
replace them, given their fragility and age.
All other (wired on) tyres must be inflated to:

Low Pressure ( 1.25 a 1.75 bars )... but,
High Pressure ( 3.1 to 4.1 bars )... or

Low Pressure (1.25 to 1.75 bars)

* : Michelin Historic Collection & Competition Tyre Service ( Nov. 2012) :
"Beaded Edge Tyres manufactured in the 80's and should be inflated to a pressure higher than 4 bars, in all cases.
It is possible that authentic mentions "engraved on the sidewalls have been left in the moulds of the time, we have seen this case with the
Superconfort tyres, which are still available in two sizes in our current range. We have since removed them. It would have been the same if we had continued to
manufacture beaded edge tyres."
** :: Contact with the former distributor of Durandal tires: "no comments". (Oct. 2012)

The frail "Little Lemon" of 1922/23 ...

...looks capacious in 1925/26; mainly due to the widening of the tyres.

Michelin "flat base" 700x80 beaded edge rim; small spacing.

Small Spacing 100 mm

Large spacing 130 mm

These rims were also fitted with 700x85 tyres ; 26x3 equates 700x80.

715x115 Michelin beaded edge rim

)
715 x 115 Michelin beaded edge rim with valve outlet inside; 720 x 120 Dunlop tyre (not originally fitted)

715x115 beaded edge rim with valve outlet inside ( cf 5HP31 )

715x115 beaded edge rim with valve exiting on the outside thanks to a dent in the rim

Durandal 715x115

On this 1980 Durandal leaflet, the recommended
inflation pressure (1kg 250 to 1kg 750) was wrong;
it should have been 4 Kg as for any beaded edge tyre

Michelin Cable-Confort 715x115

Michelin "Bibendum" asymmetric rim with "hollow base" 11/12x45 (2nd fitment from 1927 onwards)

Michelin 11/12 x 45 rim with Michelin STOP 12x 45

Elbow valve connection for external outlet
This rim allowed to mount 11x45 or 12x45 tyres;
Nowadays only 12x45 tyres are available, which are often much wider than in the past (Michelin DR 12x45: 143 mm).

With 400x18 Metzeler Block K
The diameter of this rim: 45 cm allows the fitting of 400x18 tyres because 18 x2,54 cm = 45,72 cm, hence a minimal difference
The above 11/12x45 rim is modified by fitting 2 rubber strips 3mm thick at the bottom of the rim to compensate for the difference in diameter between 45 cm and 18 inches,
to centre the tyre and thus avoid possible tyre escape
However, experience with these tyres without this addition has never shown any problem:
"...I have had Metzeler tyres on my Trefle for 27 years and I am satisfied with them. (Side car tyre) Amicalement, Jean Pierre"

« Bibendum « Michelin rim 10x48 ( known as 4.00-19 )

MITAS tyre

In fact the true denomination / dimension of this rim is 10x48; 19 inches x 2,54 cm = 48,26 cm; hence a negligible difference.

These rims were fitted on Peugeot Quadrilette 5CV

The appearance of the 3.50x19 narrow tyres on this Torpedo is close
to that of the original 700x80 tyres..

Beaded Edge / Wired-on Tyres
Prior to 1924, most European manufacturers fitted wheels suitable for beaded edge tyres.
They are easily recognised by their wide, very prominent and thick bead which ensures that the tyre hooks into the rim
groove. Their use was not only complicated but also dangerous, as a minimum tyre pressure of 4 bars was required to
keep the tyre beads on the rim and prevent the tyre from coming off the rim, as the slightest failure could lead to serious
damage.
The beaded edge tyre can only be mounted on suitable rims.
Following the beaded edge tyre, with the conventional wired on tyre, the integration of bead rings into the beads in 1925
improved the tyre's hold on the rim.

Michelin
The concern at the time was to increase the reliability and life of the tyres. Their life expectancy was actually terribly
short, between 1,200 and 1,500 km. Two important innovations were developed to give the tyre the wear resistance it
lacked until then.
The first was the introduction of carbon black in the manufacture of Michelin tyres, which made it possible to increase yire
life fivefold. It was this component, which Michelin began using in 1917, that gave the tytres their characteristic black
appearance.
The second innovation was the introduction of layers of non-woven fabric in the carcass so that all the cords were
parallel, which gave rise in 1919 to the so-called "Cablé" tyre.
These two major innovations led to Michelin's first major achievement in 1924 with the launch of its "Cablé-Confort" tyre,
the first low-pressure tyre for passenger cars (2.5 bars); its lifespan was ten times longer than that of the first tyres.
Two years later, the integration of bead rods into the tyre bead made it possible to fix the tyres to the rim with greater
reliability than the beaded edge. From then on, a distinction was made between beaded edge tyres and cross-ply wiredon tyres; the "Cablé-Confort", initially beaded edge tyre , was the first to benefit from this innovation.

Asymmetrical Michelin Bibendum rim for b wired-on tyre
Michelin, aware of user concerns about the risks of the tyre coming off its rim, has continued to design a rim whose
groove covers only half of its circumference. However, as the grooved rim had proved its worth and its design had been
improved, production of the Bibendum rim was stopped. Tyre sizes suitable for this type of rim were generally expressed
in metric units, in contrast to the deep-grooved rims whose dimensions were expressed in inches, which were much more
popular.
Source: https://www.longstonetires.fr/pneu-collection.html
Following the launch in 1925 of "Confort Bibendum" tyres on "Bibendum" rims (11-12x45 not originally fitted on the 5
HP), numerous campaigns have been conducted by Michelin since 1927 to replace beaded ege tyres and rims with wiredon tyres and rims, resulting in a much longer service life, better road handling, more comfort and easier replacement of
the tire covers.

FITTING & DISMANTLING BEADED EDGE TYRES

Ces instructions Michelin pour le montage et démontage de pneus à talons sont traduites d’un document
d’époque en Hollandais communique par Fer Cools.

1-1 - MONTAGE

10
Insérez la chambre dans le pneu avant de l’installer sur
la jante et passez la valve dans le trou

20
Placez le pneu sur la jante, le talon intérieur dans le
dessus de la jante et la valve dans le trou.

30
Placez le talon dans la jante et ramenez le vers l’
interieur des deux côtés de la valve .

40
Placez le démonte-pneu Michelin de type « Film « a 40
cm a droite de la valve et poussez horizontalement le
talon sur la jante

50
Avancez avec le démonte-pneu par étapes de 10 cm à
la fois, le montage est beaucoup plus facile et plus
rapide de cette façon

60
Montez le talon extérieur, lorsque le talon intérieur est
en place. Maintenez la partie supérieure du démontepneu sur le bord de la jante pour éviter d'endommager
la chambre à air

1-2 - DEMONTAGE

10
Décollez la valve un peu de la jante, et pousser la a
l’intérieur en pressant avec le démonte-pneu sur son
l’extrémité.

30
Placez l'un des démonte-pneus sur le côté opposé a
celui de la valve verticalement entre le talon et la jante,
et poussez sur le cote du pneu

20
Tirez et faites passer le talon à l'extérieur avec la
pointe d'un démonte-pneu.

Poussez le démonte-pneu vers le bas, puis faites-le
passer sous le talon

40
Faites la même chose avec un autre démonte-pneu à
environ 25 cm du premier.
.

50
Faites passer le talon à l'extérieur du bord de la jante en
appuyant avec les deux démonte-pneus en même
temps
Lorsque le talon est soulevé, le faire passer par-dessus
la jante sur environ un quart de la circonférence.

60
Tournez la roue de l'autre côté, et insérer au milieu de
la partie démontée un démonte-pneu sous le talon,
puis le tirer jusqu'à ce que son extrémité repose sur le
bord opposé de la jante.

70
Otez le pneu de la jante, en tirant. le démonte-pneu vers
vous

...and here's a summary:
Fitting the beaded edge tyre:
In a Michelin document dating from that time, we find the steps for mounting a beaded edge tyre:
You must first insert the inner tube and pass the valve through the hole in the rim provided for this purpose.
The beaded edge tyre must then be placed on the rim, with the inner bead just at the edge of the rim.
The bead on both sides of the valve must then be brought into the rim edge.
Then use a tyre lever to push the tyre horizontally onto the rim.
The tire must then be inflated to a minimum pressure.
The beaded edge tyre is removed with a tyre changer by pushing the tyre over the rim on the outside, over a quarter
of the circumference.
Source :

http://www.pneus-auto-paris.com/actualite/pneus-a-talons.html

2- « ….. no garage accepting to fit a beaded edge tyre ?

1

2

3

4

Few professionals accept to mount beaded tyres since it is a very different type of mounting from modern tires.
With care and good advice, it is possible to mount them yourself:
Mounting the tyre will be easier if the wheel is placed on a support, for example an old tyre (picture 1).
1.

Inflate the inner tube just enough for it to take its shape, bead it and insert it into the tyre.

2.
Present the tire and insert the valve into the valve hole. We can provide a special tool that screws on the
valve and prevents the valve from escaping when mounting the tire.
3.
Present the lower bead in the rim groove, and continue mounting the bead using two tyre lever levers
(we can supply special tyre changers for beaded tyres, whose end is more curved than that of a normal tyre
changer, which makes the work easier) (photo 2).
4.
To mount the upper bead, insert one tyre lever at about 45 degrees from the valve and then retract the
bead with the second tyre lever, advancing 10-15 centimetres at a time. Be very careful that the end of the tyre
lever does not pinch the inner tube! (Photo 3)
5.
When the tire is mounted, bounce the tire off the ground around its entire circumference and make sure
the beads are securely in place. Inflate gradually, making sure the tire is securely seated on the rim. Beaded
edge tyres have a high working pressure (see table on previous page) and great care should be taken when
inflating. Once inflated, let it stand for several hours before use. (picture 4)
6.
When the rim is a bit narrow for the tyre there may be no room for the valve, in this case make a small
V-shaped incision on each side to let the valve pass through.
7.
The tyre closes on itself once mounted and protects the inner tube from the spokes or fixing screws.
Under no circumstances should rim protectors be used, as these will prevent the beads from fitting properly into

the rim (see sketch):

Source : http://www.vintagetyres.fr/p/faq

Source : Michelin

3 - TIPS ...
…for mounting tyres without tyre levers
The following video http://www.youtube.com/watch?v=P6sH8WRl6yI
shows how to mount a beaded tyre without a tyre changer:
- Installing the flat rim
- Place a large (130L) thin (50 microns) polythene garbage bag on the rim.
- Push and force the tyre (already containing the tube) onto the rim.
- Remove the pieces of polythene (Source: Mortar)
...for dismounting wired-on tyres:
The rims of our cars have the peculiarity of having an eccentric groove in relation to the valve hole.
To dismount a wired-on tyre, it is necessary to take the tyre off the rim and slide it down the rim (by walking on it for
example).
Once this precaution has been taken, insert the first tyre lever on the opposite side to the valve, making sure that the tyre
has always entered the groove, then continue to the right and left gradually.
Once the first side of the tyre has been removed from the rim, the tube must be extracted.
Turn the wheel over and repeat the operation starting well away from the valve hole with the tyre well engaged in the
groove.
With old, worn-out tires, this is usually quite easy because the belt of the used tire is quite soft.
With new tires, it's a few times harder! (Source: Forum C3 on 18 Apr. 2018

4-

MICHELIN TYRE LEVERS

… for Beaded Edge Tyres
jeu de 3 Leviers ’’ FUSCHIA ‘’

FILM, FORUM & FUSIL

( Source : Fer )
Inscriptions :
A gauche (partie recourbée):

à droite (partie plate) :

MONTAGE

DEMONTAGE

… for Wired-on Tyres
FUTURE

Inscriptions :
A gauche (partie plate) :
MONTAGE
Finir à l’oppose de la valve

The End

à droite (partie recourbée)
DEMONTAGE
Commencer à l’oppose de la valve


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