Thread: Microshift Announces Drivetrain for 20" Wheels
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Old 04-11-22 | 01:57 AM
  #16  
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Wiel
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Joined: Dec 2011
Posts: 33
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From: near Valkenburg southern Netherlands

Bikes: Home made

Years ago I made an Excel-file for calculating the development of all kinds of BB-gearboxes , deraileur combinations and hub gears.
It is on the downloadpage of my website.
Gearchart metric

Greetz, Wiel
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