Bikerumor Monday Mystery Pic


Photos from Nick Crumpton of Crumpton Cycles. Closeup after the break. 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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uglyyeti - 05/20/13 - 7:27am

Onza tire lever

Ginger - 05/20/13 - 8:08am

Looks really similar to a home-brew rivnut tool.

Jon - 05/20/13 - 8:25am

Hub spoke hole slotter for aero spokes.

Parkcyc - 05/20/13 - 8:44am

Jon is correct. It is used to slot hubs for aero spokes.

Markus - 05/20/13 - 9:43am

A tool to hold a freewheel so you can rebuild it?

Fatboy - 05/20/13 - 9:51am

Campy Nuevo Record aero seatpost

pmurf - 05/20/13 - 10:55am

Crank for the ill-fated BB3.0 standard.

itsmemattp - 05/20/13 - 11:39am

Rholoff/Tandem brake adjuster!

Jeff - 05/20/13 - 11:40am

Damn Fatboy, you beat me to it, though I was going to add proto w/ Mono-link seat attachment.

evilxi - 05/20/13 - 11:58am

Chainwatcher for direct mount front derailleur.

joe - 05/20/13 - 2:17pm

It’s hard to judge scale etc but it looks like the arm minus the spring from one of the after-market derraileur tensioners. Hole in bar allows you to trap the arm between hub and dropout, spring attaches to rear of the mech cage to add tension.

Kristi Benedict - 05/21/13 - 6:57am

Answer from Nick at Crumpton Cycles: It is a tool from the late ’80’s/early ’90’s for slotting the spoke holes in hubs to accept the fat blades aero spokes of the day. Basically a drill guide to be used with 1/16th” drill bits and a hand drill.

ant1 - 05/21/13 - 8:55am

campy seatpost measurement tool, obviously.

King County - 05/21/13 - 10:02am

Heavy duty splint in case of an injury

Frank - 05/21/13 - 10:14pm

New Nicolai frame shock stick.

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