Dec 23, 2008

Derailleurless Multispeed

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Derailleurless Multi-Speed


[Overview: Expedition style drivetrain; primary winter riding - remote frozen river trail and beach coastal evirons; purpose - simplicity and variability, minimalist but not without; builder - Martin Leonard III]

Surly Pugsley Framset

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Phil Cassette Hub
Paul Tensioner
Surly SS Cog / 22t


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Surly Whirly Crankset
Surly and Salsa Rings
22t / 30t / 33t


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3 Speed Manual Transmission...Simple
Two Main Gear Ratios: 39.5 / 43.5 gearinches
Bailout Gear Ratio: 29.0 gearinches

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And if you're really good...you can shift with a flick of the toe!



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