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Personne n'a abordé le Brompton G-Line ?
Disques, Alfine 8 et pneus plus larges, ca devrait intéresser du monde ici !https://www.reddit.com/r/Brompton/comments/1f10cf3/gline_not_sure_how_legit_this_is_but_appears/


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Hello,
Je pense commander chez Bruce Gordon, qui serait intéressé ?
Il faudra voir pour les frais de port, etc mais perso je ne suis pas pressé.
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Pour les haubans asymĂ©triques il y a Weis qui fait ca, sur le papier c'est pas bĂȘte vu que t'as la transmission que d'un cĂŽtĂ© mais Ă voir ce que ca donne en pratique. Et puis l'Ćil n'est pas trop habituĂ© ca ...
@Arnau2d4 merci pour les explications ! Je me souviens avoir lu un test dans Bicycle Quarterly sur Jeff Jones, c'est sûr que le mec est un peu perché mais c'était intéressant. Et j'ai eu de bons retours de connaissances sur ces vélos. Encore un truc à essayer !
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J'ai toujours Ă©tĂ© un peu sceptique sur les Truss, mais je pige peut-ĂȘtre pas tout bien que j'en aie dĂ©jĂ discutĂ© avec plusieurs cadreurs.
Ils utilisent des tubes super fins pour faire travailler l'acier ? On sent vraiment une diff ou pas ?
Vu qu'on est en disques c'est quand mĂȘme chaud de faire un truc confort ?
Parce que vu le surplus de poids, pourquoi ne pas passer sur une fourche suspendue classique ? -
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Like many other frame building legends (for example Joe Breeze, Tom
Ritchey or Jeff Lindsay), Keith Bontrager also built road bike frames
before he built his first mountain bike. During the period of the
first 20 bikes he built in the early 1980s, he built this very special
road bike for his then wife. I bought the bike 8 years ago from
Graham Sevier Schultz who always has very special bikes in his store
which he fortunately also sells. Graham had bought it from a very
well-known Bontrager collector, David Barrette aka Mr. Orange, who
passed away much too early. I got to know him through this special
bike and always enjoyed talking shop with him. David had bought a
large part of his collection directly from Keith Bontrager, and it was
through David that I came into contact with Keith. Thanks for
everything David đ Keith was able to write me the following about my
road bike: "The bike was made for my ex wife in the early 80s. It was
an experiment. I wanted to make an aero bike with the parts integrated
into the frame. It's common now but it wasn't at that time. She is
small so I made it with small wheels. That was a popular design at
that time. The frame tubing is Ishiwata (I think - it might be
Tange?). It's a fillet brazed construction. The angels are standard
for road bikes. The way she sat on IT was the same as her normal road
bike. The small front wheel made it simple to ride because her shoe
would not touch the wheel. That was a problem for her on her normal
bike. That frame had decals that were a later design. They were made
by Cycle-Art and were put on the frame before the clear coat. The
first Decals were simple stickers and went on over the top of all
paint coats. I didn't put numbers on the frames until much later. I
hope that helps Tchuess, KB A long way from the day in early 1980
when Keith built the bike in his garage to today where it sits in my
cultMTB collection where it will always have a special place thanks to
its history. -
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On voit clairement qu'avant la gĂ©nĂ©ralisation des tracteurs (et plus largement de l'automobile) les secteurs pavĂ©s Ă©taient beaucoup plus accueillants pour les coureurs ... il faudrait regarder les moyennes de course mais Paris-Roubaix n'Ă©tait pas considĂ©rĂ©e comme rapide avant, vu que les routes Ă©taient revĂȘtues ?
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J'aime particuliÚrement bien le cintre bien relevé, la fourche (je dirai Pace mais j'y crois pas ?) et les freins dépareillés.
D'ailleur le HS33 John Tomac, le frein sur mon tout premier vélo trial, qui était drillé de partout et qui faisait 7kgs, 1 rayon sur 2 à l'avant ... déjà dans la pignole à 7 ans :)
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Déjà vu ici je crois bien, mais gros coup de coeur sur l'allure générale du vélo !
Edit : trouvé ICI pour davantage de photos



Bah l'alu tu le récupÚres aprÚs usinage, nan ? Et tu nettoies le vélo au jet, puis séchage à la soufflette ... et niveau poids, bah il doit pas beaucoup grimper ce vélo ?