What is the gear ratio of Chord? September 12, 2023 08:08 Shimano 8-speed - 8 gears, sport-grade shifting, ratio 4.2-1.5, front chainring 50 teeth, smallest rear cog 12 teeth. Related articles What are the height and weight limits for riders in Chord and Chord X? What is the waterproof rating of the e-bikes? Why choose a rear hub motor Does the motor have turbo mode? How to replace a rear wheel ?