Tag Archives: 7-speed

Rebuilding freewheels

We have a much expanded description of how to rebuild a freewheel, now a new article and no longer just a paragraph in our main article on freewheels.

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Revisions to Sachs/SRAM Internal-gear hub pages

Every once in a while we go back and review our pages to deal with product changes and link rot. We just did that with all our pages about Sachs and SRAM internal-gear hubs. You will find product manuals here … Continue reading

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Sachs and SRAM internal-gear hubs update

We have updated all of our pages about Sachs and SRAM internal-gear hubs, fixing broken links and, regretfully, indicating that SRAM is now no longer making internal-gear hubs. But many of you are using these hubs, and we are maintaining … Continue reading

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Updates to chainline and frame-spacing pages.

As of 2018, fatbikes and disk brakes have led to several new axle-length standards. The problem of disk brakes’ pulling the hub out of the front dropouts  has been addressed with through axles, which insert into a fork with a … Continue reading

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Gear Calculator updated!

Our gear calculator is now updated to cover the newest cassettes from Shimano, SRAM and SunRace. — Still to update: the French- and German-language versions.

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Update to Shimano 7-speed hub gear page

  Our Shimano 7-speed hub page is now updated to fix the links which broke when Shimano redid its Web site. We have also added information about new models, and made a few improvements in the text. All of our … Continue reading

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Sturmey-Archer 4, 5 and 7-speed hubs

We have updated our article about Sturmey-Archer 4, 5 and 7-speed internal-gear hubs to reflect changes in hub availability and new documentation.

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Upgrading to index shifting

We have a major update to our page on upgrading older bicycles to index shifting. This can be done at a lower cost than you may expect, because there is usually no need to replace the rear wheel! Shifter choices, … Continue reading

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Update on Shimano IG Hubs

We have updated our page on issues common to Shimano Nexus and Alfine hubs — new hub models, electronic shifting.

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More info on SRAM internal-gear hubs

More information on the SRAM S7 internal-gear hub — a reader has sent us links to step-by-step rebuilding information and model comparisons, with photos. The text is in Russian but the photos tell the story and then there’s Google Translate. … Continue reading

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