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Single Speed Calculator — Ideal Fixed/SS Gear

Find the ideal single speed or fixed gear ratio for your terrain.


How We Calculate This

Single Speed Recommendations

The calculator suggests a chainring and sprocket based on terrain type:

  • Flat: 48/16 (3.0 ratio) — faster cruising speed
  • Mixed: 44/16 (2.75) — versatile all-rounder
  • Hilly: 42/18 (2.33) — easier climbing
  • Urban: 44/17 (2.59) — good stop-start ratio

Frequently Asked Questions

Last updated: 2025-02-20

All calculations are estimates. Always verify results and consult a professional bike fitter where appropriate.