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1962 Raleigh Gran Sport Rebuild

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1962 Raleigh Gran Sport Rebuild

Old 12-04-20, 12:24 PM
  #1  
Kurtkrist
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1962 Raleigh Gran Sport Rebuild

I am currently restoring my first vintage bike - a 1962 Raleigh Gran Sport that I picked up from an older gentleman that was cleaning out his garage. It is in great shape but I decided to go ahead and have the frame repainted professionally in the original colors and with original (reproduction) decals. I am having a hard time locating the half-hoods that covered the GB levers (they had a small metal tab in them) and also will need to replace the 14-24 5-speed freewheel that was destroyed during removal. It was an ATOM, made in France freewheel. My question is: Is it French or English-threaded? Would seem intuitive it would be french but I read that some of the French-made freewheels were English threaded. It was not a splined freewheel (as are most Atom freewheels I saw) but rather had 2 prongs like a suntour. Any ideas on where to find the hoods or if French or English-threaded? Any help would be great.
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Old 12-04-20, 12:32 PM
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if gear block OEM to cycle it would have been BSC, even though produced in France

gear block threads must match those of wheel hub

if wheel hub OEM it will be BSC


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Old 12-04-20, 12:54 PM
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Freewheels and hoods

Hi Kurtkrist , newbie too but I have some resources for you.
The late Sheldon Brown's website has answers for so many bike questions, vintage and contemporary. I can't post links yet but search: "Sheldon Brown Freewheels". He mentions a trick to compare threads with your bb cup, and assuming your Raleigh has an English bb that will show you if English thread or not.
I haven't heard of non-MAFAC half hoods but the company Rustines may have a suitable replacement. They seem to be out of stock right now everywhere, and at that price I'd have a hard time justifying anyways
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Old 12-04-20, 01:31 PM
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Originally Posted by wasianamerican View Post
I haven't heard of non-MAFAC half hoods but the company Rustines may have a suitable replacement. They seem to be out of stock right now everywhere, and at that price I'd have a hard time justifying anyways
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the design of the GB half hood differs somewhat from that of MAFAC in that it comes down further on the sides and incorporates a "window" at the front to accommodate the GB cable adjustment wheel -




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Old 12-04-20, 02:25 PM
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Those GB half hoods are pretty much unobtanium. It would be nice if someone would make repros, but I won't be holding my breath.
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Old 12-04-20, 03:52 PM
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Originally Posted by nlerner View Post
Those GB half hoods are pretty much unobtanium. It would be nice if someone would make repros, but I won't be holding my breath.
I am, actually!

i had a pair of those half hoods. I sent one of them to Big Block who is working on reproductions. I still have one of those hoods....
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Old 12-04-20, 04:00 PM
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And I have an NOS pair that were found but lost again. Someday...
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Old 12-04-20, 04:44 PM
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Originally Posted by clubman View Post
And I have an NOS pair that were found but lost again. Someday...
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this reminds me of an experience i had back in the 1980's

took in a very nice unknown Brit frameset from the 1950's

NERVEX Professional lugset & shell with a Haden crown and Agrati forged ends

"pencil" seat stays

took it to my local Michaelangelo framebuilder Ed Litton for some work and a paintjob

Ed was sharing his workspace at the time with Albert Eisentraut

when I went in to collect it Ed let me know that Albert recognized it and knew what it was...

...but he was unable to recall the name

I yet have it and it yet remains an unknown...

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Last edited by juvela; 12-04-20 at 08:02 PM. Reason: spellin'
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Old 12-04-20, 06:52 PM
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Originally Posted by rhm View Post
I am, actually!

i had a pair of those half hoods. I sent one of them to Big Block who is working on reproductions. I still have one of those hoods....
I’ll take two sans adjuster window for my “arret” levers please ! 😉
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Old 12-05-20, 09:53 AM
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Kurtkrist -

the forum had a discussion thread several years back on the topic of GB brake lever hoods and a member posted about a technique he found where he could use an Xacto knife to cut a window into a hood which was readily available and a good fit on the GB lever

if you search on "GB brake lever hoods" you can probably pull it up

ATOM gear block -

if you wish to replace the block damaged in the removal attempt with an identical one they are quite common and not costly

if you are going to mount another it would be wise to get the correct removal tool for it

at one time it was common for bicycle shops to sell to comsumers the CYCLO (of England) two prong remover to use on the two-notch ATOM & REGINA brand gear blocks




this tool is risky as it can easily shift under load no matter how tight it is clamped down
when this occurs damage to the removal notches on the gear block's body results
the damaged notches render removal more difficult

it is best to employ a tool with a guide ring. there are several brands of these such as the Campagnolo, Shimano Dura-Ace, Park, VAR, Kingsbridge and the Bicycle Research. here is an image of the Bicycle Research showing the guide ring which keeps the tool from shifting -






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wasianamerican -

there are other brakesets which employ the half hood design

some come from Nicholas Arregui in models of Alfa brand brakes from Spain

there is the Alfa model and the Super Alfa 71 model, both of which employ a half hood similar to the MAFAC -







another is the FAVORIT CENTRIC brakeset from the then Czechoslovakia, this set from 1973 -





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