[bloud]

Saw these when scanning the March 1979 issue of American Bicyclist magazine. I have never seen these before. Now I'll have to keep my eyes peeled, gotta have a set just for their weirdness factor.

[volcano]

[RipVanWinkle]

Volcano, do you have that issue, can you scan the article? These look similar to the road models that used larger 1" spindle threads? The road pedals pop up at our lbs', but have never seen a BMX version.

[bloud]

volcano, on 14 December 2011 - 03:29 PM, said:

Wow, cover page news! Given I've haven't seen a set, I'm guessing they weren't a big hit.

[mx_mug]

I love that cover. My guess is the pedals didnt hold up to bmx.

[Johnny Johnson]

I posted a bunch of info on those pedals years ago either here or at Vintage

Those are the second prototype design which eventually became the
Shimano DX pedal

The first generationa prototype (as far as I could find out) were never
publicly photographed

[bloud]

Johnny Johnson, on 15 December 2011 - 02:03 AM, said:

I posted a bunch of info on those pedals years ago either here or at Vintage

Those are the second prototype design which eventually became the
Shimano DX pedal

The first generationa prototype (as far as I could find out) were never
publicly photographed

If you look closely, the ones in the photo I posted are slightly different than the ones on the cover of the magazine. There is no "Shimano" stamp and there are less studs.

If you can find your info, would love to see a link.

[CharleyGnarlyP290]

I have never seen nor heard of this particular pedal either. Those are funky.
I do like the fact that you can flip the reflector out of the way for competition...

[bmx2112]

I think I would have pointed and laughed if I had seen those in my LBS BITD!

[Just..Me..Chillin']

Yeah - I don't believe they were ever offered - just prototypes ... Resemble later LOOK road pedals a bit.

They are Hella trick though --- look close at the crank arm too --- that's a proto for the DXs as well, sort of a Shimano 600 arm with the enlarged adjustable length pedal boss (to accommodate the lengthening dial) and some added machining.


Good luck on the hunt, if thats your intention.

[Curt]

Listen to Johnny J. he is right on the money.

I will add that the following pre prodution DX (which looked like the ones that were ultimatly sold) used a similar pedal with an offset splined spindle. This allowed the rider to adjust the crank length by selecting a different crank position on the spindle. (unlike the production DX which adjusted length by rotating the pedal boss)

I had an opportunity to examine such when Encinas had his bike in the shop. I have seen images of Encinas with such cranks and pedals in some of the mags (circa 1979-80). They were trick.

Other local racers Mark Pippin and I think Bobby Smith tested the same design.

Directly Related to those cranks were the Dura Ace AD/AX road crank which did use a similar pedal boss (larger than 9/16) and was sold to the public (circa 1981-3).

One of the benefits of that pedal design was that if your foot came off, the pedal would right itself due to the mass below the spindle center.

[bloud]

Johnny Johnson, on 15 December 2011 - 02:03 AM, said:

I posted a bunch of info on those pedals years ago either here or at Vintage

FYI, I did an extensive search of BMXS and Vintage, but couldn't find your original posts.

[mx_mug]

Heres a link to a modern version;

http://vimeo.com/33711286