The Shimano 3-speed hub page has been updated with coverage of the SG-3R75 pulley-shifting hub including drive ratios. The gear calculator pages also have been updated.
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New coverage of Shimano 3-speed
What's new at sheldonbrown.com
The Shimano 3-speed hub page has been updated with coverage of the SG-3R75 pulley-shifting hub including drive ratios. The gear calculator pages also have been updated.