A crankset is a central component on a bicycle that consists of two crank arms to which the pedals are attached. The crankset is held in place by the bottom bracket shell in the middle of the bicycle frame and allows the rider to push the pedals and set the bicycle in motion.

Characteristics of cranksets

There are different types of cranksets that can vary in terms of material, size and shape. Some cranksets are made of aluminum or carbon to save weight and maximize performance. Others are made of steel or alloy steel to make them more resistant to wear and damage.

High-quality cranksets can extend the life of the bottom bracket because they help reduce weight.

Another important feature of the crankset is the ratio of chainring to pinion teeth, which is called the gear ratio. A higher gear ratio allows for higher speeds but also requires a higher cadence. A lower gear ratio allows for easier pedaling but is slower.

Modern cranksets typically offer a variety of gear ratios that can be changed by changing the chainrings and pinions on the rear hub. These combinations allow cyclists to adapt their gearing to different road and terrain conditions.

Cranksets for e-bikes

The crankset is also an important component in e-bikes , which is crucial for the bike's drive. E-bikes have an electric motor that supports the rider when pedaling, but the drive power is also transferred to the rear wheel via the crankset.

However, an important difference with e-bikes is that the electric motor also has its own driving force and can therefore relieve the rider. The support provided by the electric motor can be controlled manually or automatically as required to reduce pedalling effort or to support the rider on inclines or in headwinds.