Category Archives: Reference

Gatherings about Bicycles

One of the things that is great about my job is attending various bike shows and gatherings.  The ones I enjoy the most are about vintage bikes, swap meets, and the like.  Interbike is the annual trade show an Las Vegas.  It’s cool, but doesn’t have the soul or hold the interest for me that [...]
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Shimano UN54 Cartridge Bottom Brackets Relative Chainline

Here are some measurements I took from some of the square taper cartridge bottom brackets we carry. The drive side length is measured from the edge of the bottom bracket shell to the very end of the spindle. These measurements should be good enough relative to each other for chainline adjustment, but I [...]
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