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Bikerumor Monday Mystery Pic

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bikerumor monday mystery pic jeff archer from first flight bicycles

Photo from the collection of Jeff Archer of First Flight Bicycles. 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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14 Comments
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Sean
Sean
9 years ago

Some bizarre rear dropout adapter to use 120mm (track) wheels in a 130 or 126mm (hard to tell) frame?

David
David
9 years ago

tandem bike chain tensioner

MS
MS
9 years ago

It looks like some kind of truing stand adapter since it appears to have finger knobs … but the face of the cone-shaped part appears to be coplanar with the dropout face, so all it would accomplish is offsetting.
It doesn’t appear strong enough to be used on a loaded axle though. Perhaps it’s a roof rack adapter to accomodate disc brake calipers.

Steve M
Steve M
9 years ago

Nipple wrench-pair.

CH
CH
9 years ago

Perhaps they are part of a fender mounting system? This part may be used to mount the frame of the fender to the axel.

Loki
Loki
9 years ago

Adapter/dropout based minimalist front suspension. Copy of early Monark (spelling?) dropouts usually one motor-assisted bikes.

Irma Gerd
Irma Gerd
9 years ago

Campy cuff links.

First!

ant1
ant1
9 years ago

adjustable setback clamps for an old 1830s campy seatpost.

MS
MS
9 years ago

It’s probably not that last one since Campy just released it’s 80th anniversary group.

drew
drew
9 years ago

a race mechanics QR gapping tools?

ant1
ant1
9 years ago

MS – it was supposed to be the 180th anniversary, but they couldn’t fit the three digits in there without making the chain even narrower, so they just went with 80.

Rick
Rick
9 years ago

Lawyer tab to nonlawyer tab adapter

Kristibee
Kristibee
9 years ago

Answer from Jeff at First Flight Bicycles: “Suspension dropouts that mounted to the existing fork dropouts and gave some suspension action when the wheel was mounted in the adapters.”

MS
MS
9 years ago

Suspension? Boy, I just don’t see it. The “axle” of this piece must pass through a captive elastomer. Somehow, I don’t see the 0.01″ range of motion of this device to be noticeable compared to the 2.00″ of the inflated tire. Heck, the knobs on the tire would have more suspension effect!

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