bikerumor monday mystery pic

Photo from the collection of Rustybicycle. If you think you know what this is, post your answer in ‘comments’ section– the 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.



  1. It’s an indicator chain/spindle fpr a Sturmey Archer three speed hub. The spindle screws into the hub and the chain sticks out and attaches to the shift cable.

  2. It’s either a cassette whip (to break down a cassette )
    OR a midevil evil whip (to break down subjects and lazy employees! !)

  3. Agree with others about the indicator chain for internally gear hub. Chris commented on the odd looking rod length and end portion which is quite unlike most classic Sturmy indicator chains (8spd version?). Possibly a Sachs Orbit type system

  4. indicator chain from a sachs (3 speed) internally geared hub- the sturmey archer one comes to more of a bullet-looking point on the end which threads into the hub.

What do you think?