Bike Workshop calculates gear ratios for the road bike and the mountain bike. Select a pedaling cadence (RPM : pedal revolutions per minute) to calculate bike speed (km/h or mp/h) for a given gear and tire size combination.

Bike Workshop allow you to calculate the pressure of any type of bicycle tire (mountain bike or road bike), on any kind of terrain and road surface.

Tires available for MTB (26 - 27.5 - 29) :
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
- 2.5
- 2.6

Tires available for Road Bike:
- 26 TPI
- 30 TPI
- 33 TPI
- 60 TPI
- 110 TPI
- 120 TPI
- 127 TPI
- 150 TPI
- 220 TPI
- 290 TPI
- 320 TPI

Other Functions:
- converter to pound and kg
- converter to bar and psi