Brockvillebikeministry.com teaches youth to build their on bike in a week, so this would be awesome to have all your teaching experience here on various areas of cone adjustments. Eric Montgomery On Oct 24, 2012 8:56 AM, christopher@holisticcycles.com wrote:

There are lots of ideas floating around about hub adjustments, over haul, and repair. I would like to put together a webinar with a bunch of youth programs to lift up the knowledge base. I have studied hub adjustments with engineers, machinist, Chemist in Lubrication, Material engineers. With all of their help and ideas I formulated, I have Three different hub adjustments that can be accomplished with greater quality and Accuracy,,, in Less Than A minute.

Bolt on axle hubs final adjustment is different than Quick Release hubs. Rear Freewheel hubs final adjustments are different than Free hub final adjustments.

My goals for training is to increase quality of service, increase knowledge for sales of service, reduce time to complete tasks to increase revenue.

Who would be interested in going though this process?

Christopher Wallace Bicycle Guild 773 490 0683

Ps If you think hubs are a good starting point to explore more complex bearing surfaces in headsets and bottom brackets, you would be correct,

-------- Original Message -------- Subject: Re: [TheThinkTank] Tricks of the Trade- unbending an axle From: veganboyjosh@gmail.com Date: Tue, October 23, 2012 11:25 am To: The Think Tank thethinktank@lists.bikecollectives.org

hammering an axle straight while it's still in the hub? not trying to stir up an argument, but i think you're just as likely to damage the cones as you are to straighten the axle this way. to say nothing of making the bearings out of round in a quick manner. if the axle is bent enough to matter, chances are the inside guts, bearings, cones, cups are going to need inspection anyway.

On Tue, Oct 23, 2012 at 2:12 PM, Bob Giordano mist@strans.org wrote:

...

When you hear a hammer in a community shop it is worth a quick look to ensure there is a real need for that type of tool.

One good use of a hammer is to get an axle 90% straighter, by rolling the axle back and forth with one hand and delivering a moderate blow to the bent side with your other hand (hold the rim against your chest, perpendicular), when it is obvious the bent part of the axle is in the 'up' position.

Deliver the blow to the axle nut- which must be on the bent side- so you do not damage threads. Not the best method, as slight damage can be done to the cone and/or bearing, yet for many bikes it is good enough and sure beats full axle replacement.

Bent axles almost always occur on the drive side of a rear wheel (where the most torque is applied during riding probably).

-Bob Giordano

-- Free Cycles Missoula Shop: 732 S. 1st St. West, 541.7284 12PM-6PM Mon-Sat Missoula Institute for Sustainable Transportation www.strans.org, mist@strans.org, 406-880-6834

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