Online tools

There are many online tools on the net that provide all kinds of technical information, calculate... to find the right components, the right settings etc. for your own bike.

• Battery test 18650, comparator
• Unfolding calculator | franzschneck.de
• Unfolding calculator for Pinion
• Chain length (links) 1 | ciclista.net
• Chain length (links) 2 | fahrrad-rechner.de > Stromer frame geometry 6.2020 |
• Chain length (links) 3 | bergfreunde.nl
• Crusader forensics | www.kreuzotter.de
• Hub motor simulator | GRIN Technologies [EN]
• Online sprocket calculator / gear ratio calculator / gear ratio calculator (J. Berkemeier)
• Frame height calculator | megabike24.de
• Tire pressure calculator | velonerd.cc
• Calculate tire pressure | Swallow
• Tire mass | Swallow
• Sprocket calculator - bicycle gears and transmission ratio | velonerd.cc
• Pinion calculator | ritzelrechener.de
• Spoke length calculator | PRO Wheel Builder
• Spoke length calculator | kreuzotter.de
• Spoke calculator | SAPIM Spokes and Nipples [EN]
• Spoke calculator | GRIN Technologies [EN] for rear wheels with hub motor
  Explanatory videos:
  1 - How to use the spoke calculator for hub motors from ebikes.ca
  2 - How to measure hubs and rims for perfect spoke lengths, wheel construction for e-bike hub motors
  3 - How to mount a hub motor at home like a pro. The single-cross construction
• Spoke calculator | Damon Rinard
• Sspoke calculator | spokecalc.io > very extensive, including tutorials
• Spoke tension calculator | by Parktool
• Cadence / deployment calculator (kreuzotter.de)
• Wheel Designer | Calculate spoke & nipple lengths, crossing types, head positions (komponentix.de)