Monorim X3 upgrade kit to be Three wheels special for xiaomi m365/pro1/pro2/mi3 scooter and (m365/pro) frames

X3 is used for this product in combination with the original wheels to upgrade to dual wheels

1. Support single shock absorption / double shock absorption
Stronger shock absorption and comfortable experience

2. Support double disc brake
Stronger braking performance, more options

Default standard inner and outer tires