Left crank Shimano 600 tricolor FC-6400

Shimano 600 Tricolor FC-6400 left crank arm – classic road bike drivetrain component

The Shimano 600 Tricolor left crank arm FC-6400 is a key component of a classic road bike drivetrain. Designed to deliver smooth pedaling efficiency and long-term reliability, it fits perfectly into vintage Shimano groupsets from the 1980s, ensuring precise interaction between the chain, chainrings, and bottom bracket.

Built with Shimano’s renowned craftsmanship, this left crank arm guarantees efficient power transfer from the rider to the drivetrain, thanks to its rigid interface with the crankset axle. Its iconic Tricolor finish combines performance with an unmistakable retro aesthetic, ideal for classic road bike restorations.

Technical specifications

• Model: Shimano 600 Tricolor FC-6400

• Type: Left crank arm only

• Compatibility: Vintage 5/6-speed drivetrain systems

• Material: High-strength lightweight alloy

• Mounting interface: Square taper axle

• Crank length: 170 mm (standard road size)

• Color: Tricolor finish (grey with distinctive colored accents)

• Weight: Lightweight for responsive pedaling

• Condition: New or refurbished (depending on availability)

Key features & benefits

✔ Reliable drivetrain performance: Ensures stable chain engagement and consistent power delivery.
✔ Vintage compatibility: Ideal for restoring or maintaining classic Shimano road groupsets.
✔ Durable construction: Designed to withstand high cadence, torque, and long-distance riding.
✔ Easy installation: Compatible with standard square taper bottom brackets.
✔ Iconic Tricolor design: A timeless look that enhances the character of vintage road bikes.

Why choose this crank arm ?

The Shimano 600 Tricolor left crank arm is the perfect choice for cyclists and collectors seeking a reliable drivetrain component with authentic vintage style. Whether replacing a worn crank arm or completing a classic crankset, it provides smooth power transmission from the pedals to the chain, ensuring efficient and comfortable riding.

Installation & maintenance tips

To maximize the lifespan of your Shimano 600 Tricolor left crank arm:

• Check the wear of the chain, chainrings, and bottom bracket before installation.

• Lightly grease the square taper interface to ensure proper fitting.

• Tighten to the recommended torque to prevent play in the drivetrain.

• Regularly inspect drivetrain components to maintain optimal performance.