Old 09-04-19 | 04:09 PM
  #7  
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JohnDThompson
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From: Appleton WI

Bikes: Several, mostly not name brands.

Originally Posted by rellis
Proper lowrider bosses will be much stronger than bottle bosses.

https://www.cycle-frames.com/bicycle...IDER-BOSS.html
+1 this. Those look like the low-rider mounts we used at Trek. They go completely through the blade, so they're anchored in two places. Unthreaded, with a bolt to pass through the mount secured with a nylock nut on the other side.
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