Gears levers Shimano 600 SL-6400 2x8s

Shimano 600 SL-6400 gear levers – 2x8 speed SIS indexed

Precision and reliability for classic road bike drivetrains

The Shimano 600 SL-6400 gear levers are an iconic reference in Shimano’s road bike transmission history. Designed for the legendary Shimano 600 groupset, they deliver smooth and accurate SIS indexed shifting, making them perfect for classic road bikes, neo-retro builds, and high-quality vintage restorations.

With a 2x8 speed drivetrain configuration, these levers provide precise control of both the front derailleur and rear derailleur, ensuring clean, consistent gear changes across the entire cassette — even under load.

Key features of Shimano 600 SL-6400 levers

• Shimano SIS indexing system for precise and reliable shifting

• 2x8 speed transmission compatibility

• Smooth interaction with Shimano 8-speed road derailleurs

• Durable aluminium construction for long-term reliability

• Classic Shimano 600 vintage design, ideal for retro and restoration builds

Technical specifications

• Model: Shimano 600 SL-6400

• Type: Road bike gear levers

• Drivetrain:

  • Double chainring (2-speed front shifting)

  • 8-speed rear cassette

• Technology: SIS (Shimano Index System)

• Mounting position: Downtube frame-mounted

• Compatibility:

  • Shimano road rear derailleurs (8-speed)

  • Shimano 8-speed chains and cassettes

• Material: Aluminium

• Use: Road bike, vintage bike, classic builds, restorations

Ideal use cases

The Shimano 600 gear levers are designed for riders looking for a reliable mechanical drivetrain, easy maintenance, and authentic classic road bike feel. They are perfectly suited for vintage road bikes, classic racing builds, and minimalist performance setups.

Thanks to the SIS indexing system, the chain aligns perfectly on each sprocket, reducing drivetrain wear and ensuring smooth gear transitions across the cassette.

Why choose Shimano 600 SL-6400 levers ?

Choosing Shimano 600 SL-6400 gear levers means investing in a proven, durable and precise transmission component, trusted by cyclists for decades. They offer excellent compatibility with Shimano road components and are ideal for enthusiasts who appreciate classic cycling mechanics with modern shifting precision.