A Catrike Trail E-Cat accessorized with a Shimano Alfine-8 drivetrain upgrade, Racktime rear rack with integrating basket, phone-mount, and extra mirror using AlphaBENT accessory mounts.
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11 April 2014 - 10:13am
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
10 solid reasons to add electric-assist to your Catrike with a Neodrive Z20 hub-motor.
Hand-cycling is vigorous full-body exercise that builds upper body strength. HP Velotechnik's new Hands-On Cycle is available for the Gekko-26 model with a weight rating to 320lb.
AlphaBENT offers the German-made Neodrive Z20S torque-based hub-motor electric-assist upgrade kit for Catrikes -- even those with 142mm through-axles.
This elegant e-kit upgrades non-motorized Catrike recumbent trikes with a smooth, powerful motor built into the rear wheel. The intuitive system ihas a simple, comprehensive control / display that mounts efficiently onto a shifter.
A fire in the early morning of 5 June 2024 destroyed our neighbor business, MidCentury Sacramento. AlphaBENT escaped the worst of it and is back up and running.
Catrike introduces a new trike with a wider stance and higher seat and weight limit.
Catrike has discontinued the venerable Road recumbent trike model.
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.
Classifieds
PBW
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
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
PBW
Never fear going out again. Have confidence in your patch kit and your patching technique! Meet a goathead / puncture-vine and know your enemy. Morning snacks and caffeine provided. Workshop begins when the caffeine kicks in. Bring a flat tube to fix and tire conundrums and puzzles. Go for a ride on nearby American River Trail afterwards
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
PBW
Explore the elements of a tricycle drivetrain from the pedals through the cranks, chain, rear cog or cassette, and into the wheel.
