Sorry to hear about your accident.
A big factor is whether or not your frame was damaged in the accident. I do not know how much a new box would be. How is the rear axle? If the rear wheel hit the pole, I'd expect the axle would be all but destroyed.
A big factor is whether or not your frame was damaged in the accident. I do not know how much a new box would be. How is the rear axle? If the rear wheel hit the pole, I'd expect the axle would be all but destroyed.