Category Archives: Articles

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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A rear fender for bikes with low clearance.

Most road bikes sold today have no way to mount a full set of fenders.  There are a few commercial options that are easy to install and work ok, like SKS Raceblade, which are short fenders attached with rubber straps. Being not very into commercial options that are easy to install, I decided to [...]
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Customizing Shimano 7 Speed Freewheels

This morning I read a post on Bike Forums about a custom Shimano freewheel made by sciencemonster in a close ratio plus bailout style. Inspired, I decided to see what sort of gearing you could get out of just two different freewheels we had here in the store, the HG37 13-28 7s Freewheel, and [...]
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