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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.

Click here to check it out.

Information

Catrike Eola lead banner image

Catrike announces the Eola, a new recumbent trike model for 2019.

Pinking handlebar mechanism has serrated edges that mate with serrated clamp to remember previous position and angle

"Memory" is designed into handlebars on ICE recumbent trikes with sawtooth edges like those produced with pinking shears.

New Bacchetta B3 seat strikes middle ground between Recurve and Euromesh seat-styles.

Electric-assist and retrofit electric motor company Bionx has gone bankrupt and its assets are being sold off.

Sideview of ICE Full Fat recumbent trike with Rohloff Speedhub drivetrain

This ICE Full Fat off-road recumbent trike with Rohloff 14-speed Speedhub and full packing rack system and will be used for exploring and hunting off-road in the Sierras.

JCS on his Catrike 700

Researchers in Britain studying elderly endurance cyclists have discovered profound benefits to cycling at an older age.

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