Hey Guys, I ride a Yamaha Yzf-R1 and it has 2 drive ratios Primary Reduction Ratio 65/43 (1.512) Secondary Reduction Ratio 47/17 (2.765) Gear Ratio – 1st Gear 38/15 (2.533) Gear Ratio – 2nd Gear 33/16 (2.063) Gear Ratio – 3rd Gear 37/21 (1.762) Gear Ratio – 4th Gear 35/23 (1.522) Gear Ratio – 5th Ge...