Park Tool Fr-6 Cassette Lockring Tool

Park Tool FR-6 Freewheel Remover for BMX & Single-SpeedEffortlessly service your ride with the Park Tool FR-6, the definitive transmission tool for removing four-notch BMX and single-speed freewheels. An essential addition to any home or professional workshop, the FR-6 is precision-machined to provide a perfect fit, preventing damage to your valuable components and making a potentially difficult job simple and straightforward. Designed specifically for the unique demands of single-speed drivetrains, this tool is the industry standard for reliability and performance in bicycle maintenance.Built for demanding workshop use, the FR-6 is constructed from professional-grade, heat-treated alloy tool steel for maximum strength and longevity, ensuring it won´t strip or deform under the high torque required for freewheel removal. Its robust one-inch base provides a secure and stable interface, compatible with a large wrench, socket, or a bench vise for maximum leverage. A key benefit of its intelligent design is the thin-wall construction, which allows the tool to be used without the time-consuming removal of hub cones and locknuts on many models, streamlining your workflow and getting you back on your bike faster.The Park Tool FR-6 is engineered to engage securely with the four notches common on many popular BMX and single-speed freewheels, offering a solid connection that minimizes the risk of slippage. This precise engagement is critical for protecting both the tool and the freewheel itself. Whether you are performing a deep clean, replacing a worn-out freewheel, or servicing your hub, the FR-6 is the trusted choice for safe and efficient transmission work.Features:* Removes four-notch BMX / single-speed freewheels from hubs with 1.37x24 TPI threads.* The FR-6 has four notches approximately 32mm across measured inside-to-inside and 40mm outside-to-outside for a precise fit.* Fits over axles up to 16mm in thread diameter, accommodating a wide range of BMX and single-speed hubs.* For optimal safety and effectiveness, always use a skewer or axle nut to hold the tool firmly in place on the hub during removal.Technical Specifications:* Product Type: Freewheel Remover* Primary Attribute: Cassettes (and Freewheels)* Material: Heat-Treated Alloy Tool Steel* Tool Interface: 1 (25.4mm) Wrench or Bench Vise* Notch Design: 4-Notch* Internal Notch Diameter: Approx. 32mm* External Notch Diameter: Approx. 40mm* Maximum Axle Clearance: Fits up to 16mm diameter axles* Thread Compatibility: Designed for hubs with 1.37 x 24 TPI threading