# 2" Acrylic Disc Wheel (Yellow) - 2 Pack

SKU: Build System: goBILDA
\$3.99 / 2 Pack

Lightweight and mountable on the goBILDA® pattern, these yellow acrylic disc wheels are excellent for robots running on smooth surfaces!

Their rubber traction ring has a 70 shore A durometer which maximizes traction. Since it stretches over the wheel core with a deep cavity, you can be sure it won’t slip off during use!

### Wheel Formulas:

When you know the RPM of this 2" wheel, you can calculate its linear speed in different units of measurement. Just use our handy formulas below!

Millimeters per Second:
Formula: RPM x 2.66
Example: 20 RPM x 2.66 = 53.2 mm/s

Meters per Second:
Formula: RPM / 376
Example: 20 RPM / 376 = 0.05 m/s

Kilometers per Hour:
Formula: RPM / 104
Example: 20 RPM / 104 = 0.19 km/h

Inches per Second:
Formula: RPM / 9.55
Example: 20 RPM / 9.55 = 2.1 ips

Feet per Second:
Formula: RPM / 114.6
Example: 20 RPM / 114.6 = 0.18 fps

Miles per Hour:
Formula: RPM / 168
Example: 20 RPM / 168 = 0.12 mph