Product DescriptionThe Park Tool FR-8 is a specialty freewheel remover designed for flip-flop BMX hubs that use a four-notch tool fitting and M30 x 1 threads. Built from heat-treated alloy tool steel, it is a durable shop tool for removing compatible freewheels without damaging the hub interface. Its 1-inch hex base allows use with an adjustable wrench, socket, or bench vise, making it a practical tool for BMX and track hub service. Key Features Genuine Park Tool FR-8 freewheel remover Designed for BMX flip-flop hubs Fits four-notch tool fittings Compatible with hubs using M30 x 1 threads Constructed from heat-treated alloy tool steel 1-inch hex base for use with wrench, socket, or bench vise Designed for reliable hub and freewheel service Specifications Brand: Park Tool Model: FR-8 Product Type: Freewheel Remover Tool Type: Cassette / Freewheel Tool Fitting Type: 4-notch Thread Compatibility: M30 x 1 Approximate Inner Diameter Fit: 25mm Approximate Outer Diameter Fit: 32mm Center Bore for Axle Clearance: 10mm Base Size: 1" hex Material: Heat-treated alloy tool steel CompatibilityCompatible with: Flip-flop BMX hubs with M30 x 1 threads Freewheels using a 4-notch tool fitting Compatible models including those made by ACS Use with a 1-inch socket, 1-inch wrench, or bench vise Please confirm your hub and freewheel use the correct 4-notch M30 x 1 interface before purchase. Included Park Tool FR-8 freewheel remover Warranty and Notes Fits tool fittings with approximately 25mm inner diameter and 32mm outer diameter Designed specifically for BMX flip-flop hub freewheel service Includes only what is shown or described Condition New Genuine OEM product Includes only what is shown or described