For string I like OT fat
It’s pretty cheap being at 17$ for 100
It could be used for both yo-yos
For lube, me personally I don’t think it matters what brand you use that much
For responsive, you want to buy thick lube (loop / response thicker), for unresponsive you need thin lube (long spin thinner)
For bearings: here’s a recent thread that might help.
(They are talking about unresponsive bearings though and idk if you would want responsive or unresponsive)
I don’t know much about the raider so i don’t know what that would need as much as the shooting star.
I tried to help with what I could! Hopefully you find this helpful 
