Fast BU Rufflet (Rufflet) @ Eviolite  
Ability: Hustle  
EVs: 248 HP / 156 SpD / 104 Spe  
Jolly Nature  
- Bulk Up  
- Aerial Ace  
- Roost  
- Substitute  

Bulky Rufflet (Rufflet) @ Eviolite  
Ability: Hustle  
EVs: 248 HP / 24 Def / 176 SpD / 60 Spe  
Careful Nature  
- Bulk Up  
- Aerial Ace  
- Roost  
- Substitute  

my own bu rufflet set, just covering for rose mu (Rufflet) (M) @ Eviolite  
Ability: Hustle  
EVs: 248 HP / 24 Def / 232 SpD / 4 Spe  
Careful Nature  
- Bulk Up  
- Aerial Ace  
- Substitute  
- Roost  

Other sets, CB (Rufflet) (M) @ Choice Band  
Ability: Hustle  
EVs: 252 Atk / 252 Spe  
Adamant Nature  
- Brave Bird  
- Aerial Ace  
- Close Combat  
- U-turn / Facade