Karl's fixed gear calculator
Display fixed-gear drivetrain information in an intuitive visual format
Inputs:
expand/collapse
Drivetrain:
Tire:
=== 16" (ISO 305) BMX/trailer ===
16 x 1.75 (1200mm)
=== 20" BMX (ISO 406) ===
20 x 1.75 (1520mm)
=== 24" BMX (ISO 507) ===
24 x 2.0 (1920mm)
=== 26" (ISO 559) mountain ===
26 x 1.5 (2010mm)
26 x 2.0 (2055mm)
26 x 2.35 (2108mm)
26 x 4.0 (2200mm)
=== 27" (ISO 630) ===
27 x 1-1/4 (2160mm)
=== 650b (ISO 584) ===
650 x 38b (2040mm)
650 x 42b (2060mm)
=== 650c (ISO 571) road/cross ===
650 x 23c (1938mm)
=== 700c (ISO 622) road ===
700 x 23 (2096mm)
700 x 25 (2105mm)
700 x 26 (2108mm)
700 x 28 (2136mm)
700 x 32 (2155mm)
700 x 35 (2168mm)
700 x 40 (2200mm)
Rings:
Cogs:
Labels:
none
input values
experimental
gear ratio
gear inches
Output Chart:
