Diameter of lower fork pipe: 45mm. 203mm can be used with the adapter.
If you want to know if other discs are applicable, please contact customer service. Suitable models: most mountain bike hard tail frame, mountain bike soft tail frame. Function of air pressure valve. The soft and hard strength of shock absorber can be achieved by adjusting the air pressure.The smaller the air pressure is, the softer the front fork is, which is suitable for bumpy road sections; The higher the air pressure is, the harder the front fork is. It is suitable for riding on a level road. Warm tips: to adjust the air pressure, you need to use a special air cylinder for the front fork. If you don't have a professional air cylinder, please don't deflate at will.