Mountain Bike Drivetrain Explained

The easiest gear of an eagle drivetrain paired with a 34t chainring is easier than the easiest gear on a 1 11 sram drivetrain with a 30t chainring while the highest gear is the same as a 1 11 drivetrain. Despite many switching over to 1x many are still holding true to 2x systems. Sram s mountain bike groupsets are big on innovation and even bigger on performance.

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However this is a much longer more detailed discussion when talking exact numbers because of different rear hub spacing road road disc mountain fat and tire chainstay clearance.

Mountain bike drivetrain explained. In association with shimano. Well it s a frame suspension fork wheels and control items but it s not a bike. Thought of as the bike s engine room the drivetrain consists of the cranks chainring s front cogs chain cassette rear cogs derailleurs and shifters. A local bike shop will run through this with you.

What s a modern day mountain bike without a groupset. Here we look at each series and explain what they can do. Thought of as the bike s engine room a groupset comprises of brakes and the drivetrain. Toothed ring at the front end of the drivetrain attached to the crank.

Chainline affects drivetrain life which in turn affects long term shifting. Shifting explained for beginners if you. It s the modern debate in the mountain bike world. Mountain bike cassettes can be found in 7 through 12 speed versions.

Shimano s mountain bike groupsets go all the way from the kind of kit you d find on entry level off road and hybrid bikes up to specialist set ups for extreme downhill racing. So neil and scotty are here. Well it s a frame suspension fork wheels and control items but it s not a bike it s nothing more than a fancy scooter. The drivetrain consists of the cranks chainrings front cogs chain cassette rear cogs derailleurs and.

Switching from a regular 11 speed drivetrain to a 12 speed drivetrain like a sram eagle or the new shimano xtr you technically don t gain just one but two additional gears. Shop shimano components acera catalogue number m390 shimano does produce cheaper non series general purpose components but acera is its entry level. The american brand was behind the ground breaking 12 speed eagle mountain bike groupset that made the single front chainset all but standard on the trails within just a few years. They are usually referred to by the smallest and largest cogs to provide an indication of the total range e g.

The cassette is basically a pile of different sized sprockets that make up one half of your gear system. This is partly covered here for modern mountain bike spacing and here for fat bikes. What s a modern day mountain bike without a groupset. Mountain bike drivetrain components explained.