1):CDHPOWER Bike Suspension Fork 26" . compatible with cdhpower gas tank frames. 2): riding a motorized bicycle can be dangerous and has the potential to cause serious injury and even death. an operator of cdh motorized bicycles, products, and services ride at his/her own risk. even though this bicycle is fully motorized it is strongly encouraged that a trained mechanic inspect all aspects of the motorized bicycle before riding to confirm suitability. customers who are not mechanically inclined or unfamiliar with motorized bicycles are strongly advised to seek help before attempting to maintain, fix, or install any aspect of a motorized bicycle. 3):when operating a motorized bicycle always: use front and rear lights when riding at night. wear a properly-mounted and fastened bicycle or motorcycle helmet. wear bright and conspicuously-colored clothing. wear gloves, pants, and closed-toed shoes. travel at the lowest speed possible (no more than 10-15 mph) to avoid serious accidents, injuries and death. Obey all state and city traffic laws, ordinances and, speed limits on the road. Practice riding the motorized bicycle in an open area free from traffic to become familiar with motorized riding. Plan out and use a safe route to ride where traffic is at a minimum. Be aware of the traffic while riding on the road and use caution especially when merging, making left turns, and moving through intersections. Inspect the motorized bicycle before riding and make any necessary adjustments and/ or repairs. Maintain the motorized bicycle on a regular basis to ensure its integrity and proper functionality. Use caution when dealing with gasoline. It is volatile, flammable and combustible. Do not smoke when operating a motorized bicycle.