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The crankset on a Pump Track mountain bike is a crucial part of the drivetrain that helps transfer power from the rider to the bike's wheels, influencing handling and responsiveness when navigating pump track trails. Here is a description of its function, its characteristics and the associated standards:

Function :

Power transfer:

The crankset transfers the force exerted by the rider on the pedals to the chainrings, which then drive the chain and move the bike forward. On pump tracks, where the pumping motion is predominant, the crankset ensures power transmission when necessary to maintain speed and momentum.

Features :

1. Single tray:

Pump Track mountain bikes are generally equipped with single chainring cranksets. This simplifies the transmission, reduces the weight of the bike and eliminates the risk of chain snagging in technical sections of pump tracks.

2. Sturdy and lightweight deck:

The bottom bracket is usually made from aluminum or lightweight steel to reduce the weight of the bike while still providing sufficient resistance to the stresses encountered on pump tracks.

3. Tray size:

The chainrings of Pump Track MTB cranksets are often smaller than those of bikes intended for other disciplines, which favors the responsiveness and maneuverability of the bike. Common chainring sizes typically range between 30 and 34 teeth, providing a compromise between speed and torque.


1. Bottom bracket interface:

Pump Track MTB cranksets typically use common bottom bracket interfaces such as the ISIS standard, Octalink standard, or Hollowtech II standard. It is important to choose a crankset that is compatible with the bottom bracket interface of the bicycle frame.

2. Channel Compatibility:

The crankset must be compatible with the chain used on the bicycle to ensure optimal operation of the transmission. It is important to choose a crankset suited to the width and type of chain used.

In summary, the crankset of a Pump Track mountain bike is a crucial drivetrain component that transfers power from the rider to the bike's wheels. With features such as a single deck, a sturdy and lightweight deck and a suitable size, it provides optimal performance when navigating pump tracks using the pumping motion to maintain and increase speed.