The additional cogs allow smaller jumps between gears for faster shifting and a wider overall range that allows you to pedal more easily without sacrificing too much top-end speed. However, some-like the Motobecane Immortal Spirit-come equipped with 11-speed drivetrains. Also, bikes are getting fewer gears in the back, with 8- and 9-speed drivetrains becoming commonplace. While many gravel models now have 1x drivetrains (one front chainring) that simplify shifting and require less maintenance, 2x drivetrains (two front chainrings) are still the most common on the road. Recent advances in shifting are also making their way to less-expensive bikes. 30mm-wide tires are great for pavement and cinder bike trails Simpler Drivetrains (If You Want Them)
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