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Your bicycle’s gear ratios help control the effort needed to pedal and the speed you can achieve. The gear ratio is determined by the size of the front chainring compared to the rear cassette cog.

The gear ratio for 1st, 2nd, 3rd, 4th and 5th gear of Honda SP 125 is 3.454, 1.933, 1.315, 1.095 and 0.933, respectively. For more details, you may refer to the user manual of your bike.

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