Bicycle Crank Arm: It connects the pedal to the bottom bracket and, through the axle, transfers motion to the drivetrain system.
Bicycle Crankset: The complete front transmission system that includes the crank arms and chainrings, transferring motion from the pedals to the chain.
Bicycle Chain Rings: The front chainring attached to the crankset. It has teeth where the chain sits and transfers power from the pedal to the drivetrain. It can have from 1 up to 3 chainrings.
Single: The bicycle has a single front chainring, making it ideal for use in the city or on the mountain. It offers simple operation and lightweight construction, but with limited gear options.
Double: The bicycle has two front chainrings, making it ideal for road bikes and MTBs, offering greater flexibility in gear changes.
Triple: The bicycle features three front chainrings, making it ideal for touring, trekking, and MTB, offering a wide range of gears and making it easier to tackle steep climbs or carry loads.
