JB Welding D/T shifetr bosses
04-23-08, 05:35 PM
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JB Welding D/T shifetr bosses
Any of you frame builders out there ever pinned and JB WELDed shifter bosses to a frame to protect the finish or maybe because it was carbon or alu? - Thanks
Last edited by optimator; 04-23-08 at 05:36 PM. Reason: mis-spelling in title (sorry)
04-25-08, 01:50 PM
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I was forwarded this from a guy on another forum. https://www.novacycles.com/catalog/product_info.php?cPath=61_144_178&products_id=835
It could be the answer if the radius on the backside of the boss matches the frametube! - O
It could be the answer if the radius on the backside of the boss matches the frametube! - O
04-25-08, 04:34 PM
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Is your bike Al? If it isn't then you run into the issue of whether the radius will be right (epoxy likes to fill a void), and whether the hole size that is correct for aluminum is correct for a narrower tube where a higher percentage of the material will be gutted. Also in some cases you may be in a thin wall section of a metal tube.
If I did have a steel bike I wanted to add levers to and didn't want to mar the paint, then I would use clamp-on style shifters. My first bike, a Peugeot, hardly had a BOs on it, everything was secured around the tube. Another alternative would be to use bar-ends, which is what my bike has though there is a cable guide that uses the shifter BO anyway.
The aluminum example shows that adhesive by itself may not be enough.
If I did have a steel bike I wanted to add levers to and didn't want to mar the paint, then I would use clamp-on style shifters. My first bike, a Peugeot, hardly had a BOs on it, everything was secured around the tube. Another alternative would be to use bar-ends, which is what my bike has though there is a cable guide that uses the shifter BO anyway.
The aluminum example shows that adhesive by itself may not be enough.
