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Left crank 170 mm square
- €8.99
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Left crank FSA 170 mm
- €4.99
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The crankset of a touring bike is an essential component that includes the chainrings, cranks and bottom bracket axle. Here is its function and main characteristics:
Function :
The main function of the crankset of a touring bike is to convert the rotational movement exerted by the rider's legs into the rotational movement of the rear wheel, thus propelling the bicycle forward. It also ensures the transmission of pedaling power to the chain, which in turn transfers this energy to the rear wheel sprockets.
Features :
1. Chainrings:
Touring bikes typically come with two- or three-chainring cranksets, which provide a varied gear range to suit different types of terrain. The chainrings can be of different sizes to allow the rider to choose an appropriate gear ratio depending on the slope of the road or path.
2. Cranks:
The cranks are the arms of the crankset to which the pedals are attached. They can be of different lengths to suit the rider's height and pedaling feel preferences. Longer cranks can provide additional leverage for more efficient pedaling, while shorter cranks can provide better ground clearance on technical terrain.
3. Bottom bracket axle:
The bottom bracket spindle is the central element of the crankset that connects the cranks and chainrings. There are different bottom bracket axle standards, such as square axles, spline axles, hollow axles and integrated axles, which determine compatibility with the bike frame and bearings used.
4. Materials:
Touring bike cranksets are generally made of aluminum, steel or carbon to ensure lightness, rigidity and durability. The choice of materials can also affect the cost and overall performance of the crankset.
In summary, a touring bike's crankset converts the rotational motion of the rider's legs into the rotational motion of the rear wheel, while providing a varied range of speeds through its multiple chainrings. It is designed to be both robust, lightweight and compatible with the specific needs of cycling.