Graphical gear calculator for bicycle gearing systems. Includes derailleur gears and internal gear hubs. Grafischer Ritzelrechner zur Berechnung der ...

Gear Dimension Calculator. Get all of the dimensions you need to make your gear blank: tip, pitch, root diameters; as well as the gear teeth: addendum, dedendum ...

Bike Bicycle Gear Gearing Designer Calculator Graph.

A JavaScript calculator for analyzing bicycle gearing.

Use this calculator to determine your gear ratio and vehicle's speed in any gear and any engine RPM for best performance. Scroll through the list of popular ...

Calculate gear ratios given chainring and sprocket (cog) sizes.

The number is derived from a simple formula: (chainring size / cog size) X wheel size. Another popular unit for measuring gearing is Roll Out in inches. This is ...

Gear Calculator · Step 1: Select Pitch · Step 2: Input Gears to Mate · Step 3: Output. Extra Center.

The "Fantastic Fixed Gear Calculator" is proudly made and brought to you by the SURPLACE team. All tires circumference data comes from the fantastic Sheldon ...

The best bicycling gear calculator on the internet. Inspired by and updated from Sheldon Brown's Derailer Gear/Internal-Gear Calculator.