Road Bike Cassette Ratio
Every road cyclist understands that size of the chainrings and sprockets dictate the gearing of the bike however there is more to the concept than simply the number of teeth involved.
Road bike cassette ratio. If you were on the flat or gentle gradients either up or down the ratios of the cassette were quite close so there weren t big jumps making it easy to find the right gear to be in. Expert road bike reviews and the latest road bike news. Road bike cassettes will have smaller sprockets with a smaller jump between the teeth sizes when compared to mountain bike cassettes. 3 is green 2 3 blue and below 2 red.
My last bike was campag equipped it had a 53 39 crankset with an 12 25 cassette 9 speed i think. Most road bikes will come with 11 12 or 13 teeth on the smallest sprocket and then will have anywhere between 21 and 32 teeth on the largest sprocket. Road bike cassettes for climbing. If the chainset puts you in roughly the right range the cassette narrows down the ratio so you can maintain the ideal cadence.
Most road bike cassettes have an 11 12 or 13 tooth smallest sprocket then between 21 and 32 teeth on the largest sprocket.