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The GAP or Bust
By Daniel Merchant and Robert Sherman - (contact)

New J-Hooks: Adventures in Metalurgy and Fabrication

Tuesday July 7, 2009

Bob and I have this buddy Sean. Sean used to tour with us, but he decided to take up cyclocross racing a few year back. Sean has this amazing practical knowledge about how the universe is screwed together. With Sean's encouragement, I have built a fixture, purchased music wire, and with the aid of my handy torch--I bent custom J-hooks.

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A jig for bending J-hooks, top view.

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A jig for bending J-hooks, side view.

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One custom bent J-hook, in the jig that I used to bend the J-hook.

The burn marks are from the 4 hooks that I bent. Metal from the littler bend continued on to the center bolt, but was cut off during finishing.

This music wire is really hard stuff, but it can be bent if you heat it cherry red. I have clumsily bent hooks, and I annealed them in the oven (when my wife was not looking).

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My MEC Serratus rear panniers originally came with extra long J-hooks. This is the top most hook.

MEC sells a shorter hook, for use with Blackbury racks.
This is the middle hook.

MEC's shorter hook is too long for use with a Tubus rack, and the botom most hooks is one that I bent.

My new hooks are homely looking, but they are shorter than the hooks that came with my panniers. I had to use a lighter gauge wire as I did not think I could bend 0.125" music wire.

I will have to go for a ride and see if they break.


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"The GAP or Bust" Copyright © 2011-2014 By Daniel Merchant and Robert Sherman - (contact). All rights reserved.
Page was created on January 14, 2011 09:46 PDT, last updated on February 12, 2011 17:52 PDT
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