The Lezyne Chain Drive Chain Tool (8 to 12 Speed, 93g) is a lightweight, workshop-quality compact chain breaker designed for portable ride packs or home garage work benches. CNC-machined from heat-treated Chromoly steel, this 93-gram tool delivers the mechanical leverage of a shop-grade breaker without the heavy footprint.

Product Specifications & Compatibility

• Weight & Size:
  • Extremely light at 93 grams.
  • Compact 4-inch (83.6mm) total frame length.
• Drivetrain Range:
  • Fully compatible across 8, 9, 10, 11, and 12-speed bicycle chains.
  • Works with major manufacturers like Shimano and SRAM (excluding Campagnolo 11-speed variants).
• Hardened Breaker Pin:
  • Features a replaceable, high-tensile hardened steel pin.
  • Includes one extra spare breaker pin conveniently tucked away inside the driver handle.
• Integrated Spoke Wrenches:
  • The cast body includes four built-in spoke keys:
    • Two Mavic splined sizes.
    • One 3.22mm square.
    • One 3.45mm square.
  • These integrated slots double as the wrench used to remove and swap out the breaker pin itself.