Left crank FSA Omega 172.5 mm

FSA Omega crank arm – left arm for efficient bicycle drivetrain

The FSA Omega crank arm (left side) is a key component of the bicycle drivetrain, designed to deliver smooth, efficient, and reliable pedaling performance. Developed by FSA (Full Speed Ahead), it is ideal for riders looking for a strong and compatible replacement part for FSA Omega cranksets, suitable for road bikes, fitness bikes, and sporty trekking bikes.

Perfect for repair or replacement, this left crank arm helps restore optimal power transfer between the rider and the drivetrain, ensuring consistent performance and mechanical efficiency.

Technical specifications of the FSA Omega crank arm

• Brand: FSA – Full Speed Ahead

• Model: Omega

• Type: Left crank arm

• Material: Forged aluminum

• Interface: Square taper

• Length: depending on version (commonly 170 mm or 172.5 mm)

• Pedal thread: Standard 9/16"

• Compatibility: FSA Omega cranksets and square taper bottom brackets

• Use: Road bike, fitness bike, trekking / hybrid bike

• Color: Black anodized

Key features and benefits

The FSA Omega crank arm stands out thanks to its forged aluminum construction, offering an excellent balance between stiffness, durability, and low weight. It ensures smooth crank rotation and contributes to the overall efficiency of the drivetrain, working in harmony with the chainrings, chain, bottom bracket, and cassette.

Its square taper interface provides wide compatibility, making it an ideal choice for maintenance or replacement on many road and multi-purpose bikes. The precise pedal threading guarantees secure pedal installation, reducing play and limiting premature wear.

Why choose the FSA Omega crank arm ?

• Reliable and smooth drivetrain performance

• High stiffness for efficient power transfer

• Proven compatibility with FSA Omega cranksets

• Ideal for replacing a worn or damaged crank arm

• Trusted quality from a leading bicycle component manufacturer

Maintenance advice

To maintain the performance of your FSA Omega crank arm, regularly check bolt tightness, keep the crankset area clean, and inspect the bottom bracket condition to ensure a quiet, long-lasting, and efficient drivetrain.