Drivetrain
The term "drivetrain" refers to the components on the bike that are crucial for converting your pedalling motion into propulsion. The drivetrain is so fundamental that the interplay between pedals, cranks, chainrings, chain (or belt) and sprockets unites bikes of all types.Read More HereOUR Drivetrain RECOMMANDATIONS
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Bicycle drivetrain
If you are not using gravity or enjoying a strong tailwind, then you move your bike using your muscle power. The term "drivetrain" refers to the components on the bike that are crucial for converting your pedalling motion into propulsion. The drivetrain is so fundamental that the interplay between pedals, cranks, chainrings, chain (or belt) and sprockets unites bikes of all types - albeit in different forms. Whether you want to completely upgrade the drivetrain on your road bike, change the gearing on your mountain bike or replace worn parts on your e-bike, you'll find what you're looking for here!
From 1 x 12 to single-speed: The types of drivetrains on bicycles
As the drivetrains of some bikes are fundamentally different, we want to give you a brief overview of which types are common and which parts they consist of in addition to pedals, cranks and bottom brackets. This way, you can see at a glance which components are suitable for your bike.
• Derailleur gears
The drivetrain here includes a cassette with up to 13 sprockets (gears), the appropriate chain and one to three chainrings on the crank. The derailleur drivetrain is the most widespread, especially on sporty bicycles. You can find the components you need to shift gears in the separate shop category “shifters & derailleurs”.
• Internally geared hubs / gearbox
On bikes with hub gears or a central gearbox (around the bottom bracket) you will only find one sprocket on the rear wheel, the chain and a chainring at the front. A special case is the belt drive, which uses a toothed belt instead of a chain and suitable sprockets on the crank and rear wheel.
• E-bikes
You will find derailleur gears or gearboxes on e-bikes, but these are often somewhat more robust, as the motor also provides power in addition to your muscle power. The support motor is often also referred to as the drive.
• Single-speed bikes
There are people who voluntarily ride bicycles without the comfort of gears - in the city or even off-road. As with the gearbox, the drivetrain is reduced to a sprocket, chain and chainring.
• Fixed-gear bikes
At first glance, fixies look like single-speed bikes, but they are even more spartan. A sprocket without freewheel is mounted on the hub. You can't stop pedalling while riding. Fixed drivetrains are normal on track bikes and are also ridden by some people in the city.
Compatibility of drivetrain components
The individual parts of modern bicycle drivetrains are precisely matched to each other. To ensure that everything runs smoothly, the individual parts must be compatible with each other. You should pay particular attention to the following:
• Select the number of gears to match the shifters and derailleurs (applies to cassette, chainrings and chain)!
• Mounting dimensions and standards: Wherever parts are fitted to other parts, the interfaces must match.
• Manufacturers: High-end components in particular are thought through down to the last detail and are therefore sometimes very specialised. Pay attention to the manufacturer's instructions regarding compatibility! This guarantees the best performance.
Off to the workshop: DIY
If you already have experience with tinkering with your bike and would like to work on the drivetrain yourself, we recommend taking a look at our blog category “How to”. There we have collected practical tips and instructions for working on bikes. Here are a few examples from the drivetrain sector:
• How To: Changing a cassette on a road bike? This is how it’s done!
• How To: Replace the Chain on Your Road Bike in Five Steps
• How to: Replacing the MTB Chain
There you will also find tips for the time after installation. Because a well-maintained drivetrain lasts longer and is more fun: Grease, Lubricate and Maintain your Bike Chain.