Tag Archives: internal-gear

Update to internal-gear cable-pull page

Our page listing internal-gear-hub cable pulls lengths is now updated to cover the new Sturmey-Archer rotary (pulley) shifting 3-speeds.

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Update to 5-speed hub information

Our Sturmey-Archer 4, 5 and 7-speed hub page has been updated with links to newly-available information on recent 5-speed hubs.

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Shimano Alfine 11-speed hub

New article about the Shimano Alfine 11-speed hub. Thanks to Bruce Dance for most of the text, also Aaron Goss!

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SRAM Automatix 2-speed hub

New article about the SRAM Automatix two-speed hub. We have information on maintenance, choice among variant models, and how to adjust the speed at which it shifts automatically.

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Gear Calculator updated and now also in German

The Sheldon Brown gear calculator is updated and improved: more tire sizes are covered including fatbikes, 29ers, 29+ and monster bikes, and we now have a version in German, as well as French.

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Additions to the Shimano 8-speed IG hub page

Sheldonbrown.com reader Bruce Dance has contributed some helpful information on compatibility — or the lack of it — among different models. Read it on the 8-speed internal-gear hub page .

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Additions to the Gear Calculator

New crank lengths have been added to the Gear Calculator and Internal Gear Calculator, so they can calculate gain ratios for children’s bicycles with cranks down to 100 mm (less than 4 inches).

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More hubs in cable-pull cribsheet

Added information on four hubs to the internal-gear hub cable pull cribsheet: Shimano Alfine 11-speed SRAM G9 Sturmey-Archer S3X Sturmey-Archer ASC Thanks to Jeff Meredith and Michael Wilson for the measurements!

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Shimano 4-speed hub gears

Expanded coverage of Shimano Nexus 4-speed hub gears — we now have rebuilding information, translated from manuals in German which are the only ones we could find online — complete instructions for both the freewheeling/Rollerbrake version and the coaster brake … Continue reading

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New tire sizes in Gear Calculator

Several tire sizes have been added to the Gear Calculator: Fatbike sizes: 26 inch tires, 26 x 3.8, 4.0, 4.25, 4.7 Wide 29ers: 29 x 2.7 and 3.0 32 inch and 36 inch (common on unicycles).

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