Reference Tables
Quick-reference tables, charts and standards.
Bike Tyre Pressure Guide
Recommended PSI/bar by tyre width and rider weight for road, gravel and MTB tyres.
Bicycle Gear Ratio & Speed Chart
Common chainring/cassette combos, gear inches, development and speed at 90 rpm for road and MTB.
Bike Frame Size Guide
Height to frame size tables for road, MTB and hybrid bikes in cm and inches, plus stack and reach.
Cycling Power-to-Weight Reference
W/kg benchmarks from untrained to world class, FTP ranges and what each level means in practice.