Discs aren't retro, or are they....?

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SEANSTEPHENS Since disks are still being used on modern bikes though said:
Without wishing to start a war does this mean you only ride a horse as
Round wheels are still on modern bikes
Canti's are still on modern bikes
V brakes are still on modern bikes
double triangle frame design are still on modern bikes
rubber pnuematic tyres are still on modern bikes
etc
So either you ride a non retro bike or don't ride at all lol
:wink:
Sometimes I have to laugh at peoples comments about what is and isn't retro and some of mine are just as bad but this just tickled me this morning .
 
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FluffyChicken":25aicpxl said:
I think a set on a bike popped up on eBay a couple of years back.
There is a thread or two on the forum.

That's not an advert as such, it Shimano catalogue for that year.

Here's the 1973 one and they where around earlier than that.
Shimano%201973%2022-filtered.jpg


I've not searched the patents for around the late 60 early 70s to see if ttheyfiled any.

At least one of those pics also appears in "The Penguin Book of the Bicycle", itself a 70s publication. Apparently one of the concerns about discs not taking off in a big way was the need to incorporate more dish into the back wheel, making it weaker - this was clearly a time when 135mm rear spindles were some way off!!

The same book also features Shimano's short-lived metric-pitch (10mm) drivetrain.

David
 
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They had all sorts back lots of diversity, splined cranks, automatic rear hubs even if only two speed.
Twist shifters. Best of all big stonking lever shifters to make any kids bike cool.
 
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FluffyChicken":1hnui5m1 said:
They had all sorts back lots of diversity, splined cranks, automatic rear hubs even if only two speed.
Twist shifters. Best of all big stonking lever shifters to make any kids bike cool.

Pretty sure splined BB sets started off in the 1950s - Gnutti of Italy maybe? The UK had its own take on things from Williams of Birmingham - apparently the only British-made attempt at a cotterless alloy chainset until Middleburn and L&M got in on the act many years later.

David
 
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Splined BB's weren't uncommon in the late 19C, the French produced quite a few.
That's an interesting point about British cotterless cranks. I think Royce probably beat Middleburn/Rino there though with their lovely 80's versions.
 
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ferrus":1hnasydo said:
Splined BB's weren't uncommon in the late 19C, the French produced quite a few.
That's an interesting point about British cotterless cranks. I think Royce probably beat Middleburn/Rino there though with their lovely 80's versions.

Oops. I forgot that Royce did chainsets. :oops:

David
 
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