You are here
Gearing Calculator
Handy gearing calculator makes optimal gearing easy.
This calculator tells gear-inches calculations for:
- conventional derailleur-based systems
- SRAM 3x7 and Dual-Drive systems
- Rohloff Speedhub
- Schlumpf Speed-Drive, Mountain-Drive, and Highspeed-Drive
- Shimano Nexus
- Sturmey-Archer
and combinations thereof -- as well as normalizing the numbers relative to cranklength.
Information
This event has taken place and the notice is simply part of our articles archive
Face-time with ICE. Ask all of your questions. Find out what happens behind the scenes. And, try trikes, trikes, trikes... including the fully automatic ICE Adventure electric trikes.
An inexpensive hitch-mount rack for folded recumbent trikes. For example, the ICE Full Fat big-tired adventure tricycle.
Azub will be at AlphaBENT on Wednesday, October 23 to show the latest Czech recumbent technology. Come to for test-rides, and bent-talk.
Catrike has made wider hubs with through-axles standard equipment on all large-wheel models. This change affects the following recumbent trike models: Expedition, 559, Dumont, and 700. The change promotes laterally stronger wheels and prevents movement within the dropouts under load at the expense of compatibility with equipment such as electric hub moters that are designed to the older 135mm dropout widths.
2019 Norcal FARA (Friedrich's Ataxia Research Alliance) Ride coming up June 1, 2019.
Join Kyle and Team FARA to kick this debilitating disease!
Classifieds
PBW
Explore the elements of a tricycle drivetrain from the pedals through the cranks, chain, rear cog or cassette, and into the wheel.
PBW
PBW
Come out and learn about adjusting your own shifting.
Enjoy beautiful, crisp shifting. Eliminate pesky trips to a bike shop to get rid of that clunking. Take charge of your handlebars. We'll show you how to do all this and more. Covering twist shifters, bar-ends, internally geared hubs, as needed.
Caffeine and morning snacks provided. Bring a shifting conundrum for our version of Stump the Chumps. Go for a ride on the beautiful American River Trail afterwards.
Where: 1114 C Street, Sac'to.
Cost: FREE
Come out and learn about chains.
When to lube and how. Lube options. How to measure the wear on your chain. How to open quick-links (power links). How to use a chain tool.
We'll show you how to do all this and more concentrating on conventional multi-speed bike chains.
Caffeine and morning snacks provided. Bring a chain conundrum for our version of Stump the Chumps. Go for a ride on the beautiful American River Trail afterwards.
Where: 1114 C Street, Sac'to.
Cost: FREE
PBW
Wheels - This is the ONLY workshop of the year on wheels. It is a bit on the technical side: to satisfy the need for more knowledge.
How to build a wheel; true a wheel; make it round; calculate spoke lengths; smooth out bumps inside your drum brake. When can't a wheel be saved? Why are good spokes important? How and why to dish a wheel. How to make or true an unconventional (single-sided) wheel. Replacing wheel bearings.
Come with a thirst to learn.
Caffeine and morning snacks provided. Workshop starts when the caffeine kicks in. Cost: FREE