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Bikerumor Monday Mystery Pic

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bikerumor monday mystery bicycle part picture

Photo from the collection of Jason Woznick of Fair Wheel Bikes. If you think you know what this is, post your answer in the ‘comments’ section– the correct answer will be posted there on Tuesday!

To send in your own Mystery Pic to be considered for the Monday feature, click here and attach your photo with all pertinent information.

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19 Comments
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Yeahaaa!!!_
Yeahaaa!!!_
11 years ago

AC cranks?

foster's
11 years ago

ANC, Grafton, Caramba?

Ben
Ben
11 years ago

Maybe also Curve, the old Kona in-house brand?

Jeff
Jeff
11 years ago

Manufactured by Ultimate Machine Co. for various companies.

Andrew
Andrew
11 years ago

AC crank but with the window cut through, or experimental Onza?

JESUS CHRISTO
JESUS CHRISTO
11 years ago

Multi-use randonneur / waffle iron cranks. For the camping cyclist on the go!

Todd
Todd
11 years ago

The first AC cranks did have a window cut through, but the later stronger ones did not.

Bilbo Jenkins
Bilbo Jenkins
11 years ago

Those are definitely AC cranks, but I don’t see the logo, so they might be the generic UMC version. BTW – don’t ride them, I broke two sets on the driveside, crankarm just snapped in half leaving a very jagged edge that made a scar I still have today.

level-4
level-4
11 years ago

I had a silver set from Titus in the 90’s.

Joel
Joel
11 years ago

Adventure Components Cranks. I’ll never forget those ones.
http://www.bikepro.com/products/cranks/adventcomp.shtml

joby
joby
11 years ago

I think I remember these as AC experimental or low run production cranks. IIRC, they took their standard cranks and milled out the rest of the windows but halted production after high failure rates.

Grafton
11 years ago

ROOX cranks, s*** brand from Holland Europe IIRC

Remek
Remek
11 years ago

WRA?

Rodrigo Catelli
Rodrigo Catelli
11 years ago

CLASSIC AC CRANKSET!

JOHN KLINKENBERG
JOHN KLINKENBERG
11 years ago

definately AC cranks! I remember lusting over those as a teenager, then magic motorcycles came out and AC were a thing of the past.

Steve
Steve
11 years ago

I think they’re cranks.

Spencer
Spencer
11 years ago

Titus cyborg cranks.

Spencer
Spencer
11 years ago

Oh, a little late.

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