crankset

The component of a bicycle drivetrain that converts the reciprocating motion of the rider's legs into rotational motion used to drive the chain, which in turn drives the rear wheel.

Japanese Meaning

自転車の駆動系の一部であり、ライダーの脚の往復運動を回転運動に変換し、その回転運動でチェーンを駆動し、最終的に後輪を動かすための部品

What is this buttons?

I upgraded my crankset to a lighter model to improve the bike's climbing performance.

Google Translation / DeepL Translation

登坂性能を向上させるために、自転車のクランクセットをより軽量なモデルに交換しました。

Details

Sense（1）

The component of a bicycle drivetrain that converts the reciprocating motion of the rider's legs into rotational motion used to drive the chain, which in turn drives the rear wheel.