Bicycle Gear Calculator | CycloCompass Performance Cycle Coaching

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Cycling coach and amateur road racer (also a physicist, an economist, and currently studying dietetics). Winner of the 2023 Hungarian amateur road cycling championship.

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Bicycle Gear Calculator

This little tool will let you calculate, visualize and compare different preset gearing combinations up till 3 chainrings and 13 speed cassettes, as well as Classified's Powershift hub.
In case you wouldn't find the setup you're looking for, feel free to get in touch via the Contact page!

Set 1
- / -
Total range:
d_max:	d_min:
Gears type:

Chainrings:	Front teeth:

Rear speed:	Rear sprockets:

Cross-chain largest ring:	Cross-chain smallest ring:

Wheel & tyre:	Wheel circumference:This value is set to the nominal wheel circumference value every time you change the wheel settings. You can manually adjust the value afterwards.
		mm

Set 2
- / -
Total range:
d_max:	d_min:
Gears type:

Chainrings:	Front teeth:

Rear speed:	Rear sprockets:

Cross-chain largest ring:	Cross-chain smallest ring:

Wheel & tyre:	Wheel circumference:
		mm

Cadence: 90 rpm

+/-: 30 rpm