From Hollywood Bike Racks:

The 970 Fork Block mounts to any solid surface, such as a truck tool box, trailer, or a home-made custom rack. Uses 6061 aluminum body with heavy duty 9mm quick release skewer.

• Fits front wheels 100mm O.L.D. (Over-Locknut-Dimension)

Check out more from Hollywood Racks Below to find more products and accessories. 

Hollywood Racks 1.25" & 2" Hitch Tightener 

Hollywood Racks 2-Bike Add-on Kit

Hollywood Racks Destination 4 Bike Hitch Rack 

Hollywood Racks Parking Stand for Single Bike

Hollywood Racks - Rack Valet RV1

Hollywood Racks RV Rider HR1700

Hollywood Racks Sport Rider 2 Recumbent Bike Hitch Rack

Hollywood Racks Sport Rider 2 Bike Hitch Rack

Hollywood Racks Sport Rider 2 Bike Hitch Rack HR1450

Hollywood Racks Sport Rider 4 Bike Hitch Rack HR1400

Hollywood Racks Sport Rider E-Bikes and E-Trikes Hitch Rack HRT330

Hollywood Racks Sport Rider Regular and Fat Electric Bikes HR1500

Hollywood Racks Sport Rider Recumbent Bike Hitch Rack HR1450-R

Hollywood Racks Strap-On Spare Tire Bike Rack SR1

Hollywood Racks Top Tube Bike Adapter BA-Pro

Hollywood Racks Trail Rider Hitch Bike Rack HR200

Hollywood Racks Trike-1 Hitch Rack Adapter

Hollywood Racks Trike-3 Hitch Rack Adapter

Hollywood Racks Truck Tailgate Bike Pad TP-1

Hollywood Racks Universal E-Bike Wheel Holder Set FT-S