No inflation required: thickened natural rubber prevents punctures and inflation problems, so you no longer have to worry about nails or gravel puncturing the tyre. It is more durable than pneumatic tyres and more cost-effective than tubeless tyres. 2. After installing new tires, please ensure that the inflation pressure is around 90PSI for the first time. When you hear two loud bangs, stop inflating. At this point, the tires are in a fully inflated state. Then slowly deflate the tire to a pressure of around 45PSI For NIU KQi3 scooter: 9., 5 inch solid rubber tyres for NIU KQi 3 Sport/Pro/Max electric scooter. 9., 5 inch solid tyres for NIU KQi 3, 9., 5 x 2., 5-6., 1 solid rubber tyres, solid tyres for NIU KQi3 Sport/Pro/Max electric scooter, front or rear scooter, replacement tyres, honeycomb tyres Off Road Ready 9 5 Inch Solid Tire For Your For NIU KQI3 Electric Scooter Perfectly Engineered Rubber Material These tires are precision-made to fit NIU KQi3 Pro, KQi3 Sport, KQi2 Pro, and KQi1 Sport scooters, ensuring a seamless replacement that restores your scooter's Non-slip: a deeper tread pattern and a wider profile size make the tyre more grippy and cushioning. Even in rain or snow, the scooter is easier to control and offers you maximum safety. Please soften before installation: we recommend placing the solid tyres in boiling water or a microwave oven for 10 minutes before installation to make them soft. VOLOHAS 9.5 x 2.5-6.1 Solid Rubber Tyres, 9.5 Inch Solid Tyres for NIU KQi3 Sport/Pro/Max Electric Scooter, Front or Rear Replacement Tyres, Solid Tyres, Honeycomb Tyres, Non-Slip Puncture-proof (Black, Pack of 2 A crowbar or strap is helpful.