Tag Archives: Nexus

Shimano 8-speed Internal-Gear Hubs

Major revision to the page about Shimano 8-speed hubs: – Added information on new hub models and fixed the many links which Shimano broke when it went to its new organization of technical Web pages. – Linked to a number … Continue reading

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Shimano 7-speed Hubs

Major revision to the page about Shimano 7-speed hubs: – Added information on new hub models and fixed the many links which Shimano broke when it went to its new organization of technical Web pages – Linked to a number … Continue reading

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Home-brew hybrid gearing

Additions to the article on internal-gear hubs — more about how to construct a multi-speed hybrid-gearing system using a stock 3-speed hub and two sprockets and/or two chainwheels. It indexes even without index shifters! Photo courtesy of Mark Stonich.

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8-speed Shimano hubs — update

We have updated our page on Shimano 8-speed hubs. Shimano changed a number of links and posted some new information.

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Shimano Internal-Gear Hubs

John has made major updates to the pages on Shimano Nexus and Alfine internal-gear hubs — 3-speed, 7-speed and 8-speed; also a page with general mechanical information.

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Assembly of Shimano 7-speed Hub Axle Unit

Shimano’s service instructions for the Nexus 7-speed internal-gear hub assume that you will replace the entire axle unit. Taking disassembly past the point where instructions are available is all too easy. You might also want to cannibalize parts to assemble … Continue reading

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Internal gear theory

John has posted his article on internal-gear hub theory, history and some practical advice. This article describes the internal workings of all the newest hubs including those with compound and multi-stage gearing.

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