This frame parts are for XJB 145 V1.2
For orders before April 1st 2020 it is V1.0.
For orders after April 1st 2020 it could be V1.0 or V1.2
The big difference between V1.0 and V1.2 is the side plate 3 holes on the bottom for V1.2 and 2 holes on the bottom for V1.0.
If you are not sure what version you using, please contact us via support@hglrc.com