Mono Flying team help!

Question

This is my new set for showdown and it has some flaws in it and need some help!!

Crobat @ Black Sludge (my lead 9 out of 10 times)
Ability: Inner Focus
EVs: 4 HP / 252 Atk / 252 Spd
Adamant Nature
- Brave Bird
- Taunt
- Roost
- U-turn/Defog (cant decide)

Talonflame @ Leftovers
Ability: Gale Wings
EVs: 72 HP / 252 Atk / 184 Spd
Adamant Nature
- Bulk Up
- Flare Blitz
- Roost
- Brave Bird

Togekiss @ Leftovers
Ability: Serene Grace
Shiny: Yes
EVs: 252 HP / 128 Def / 4 SAtk / 124 SDef
Timid Nature
- Roost
- Air Slash
- Thunder Wave
- Dazzling Gleam

Pinsir @ Pinsirite
Ability: Moxie
Shiny: Yes
EVs: 252 SDef / 88 HP / 92 Atk / 48 Def / 28 Spd
Adamant Nature
- Quick Attack
- Close Combat
- Earthquake
- Return

Dragonite @ Assault Vest ( or weakness policy with DD instead of E.S.)
Ability: Multiscale
Shiny: Yes
EVs: 252 Spd / 252 Atk / 4 HP
Adamant Nature
- Extreme Speed
- Dragon Claw
- Fire Punch
- Earthquake

Landorus @ Life Orb ( I am not really liking landorus, but idk what else to tank electric pkmn)
Ability: Sheer Force
Shiny: Yes
EVs: 208 Spd / 252 SAtk / 48 HP
Modest Nature
- Earth Power
- U-turn
- Hidden Power [Ice]
- Calm Mind

Comments

1. You ABSOLUTELY must have Defog. Stealth Rock is your worst enemy.
But not on a frail lead like Crobat. Keep U-Turn on Crobat. You may consider a wall like Skarmory (physical) or Mandibuzz (special) to do the defogging.
2. Another possible tank vs. Electric Pokemon is Thundurus-T (Volt Absorb). This is in case you don't want to have two 4x ice weaks. Also for Landorus I prefer Rock Polish over Calm Mind.
3. I think your current Dragonite set is more suited to Choice Band. I feel Multiscale is kinda wasted too without Roost and/or Leftovers in a weaker attacking set. If running Weakness Policy, I recommend keeping E. Speed and removing one of Fire Punch or EQ in favor of DDance.

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Don't use Bulk Up on Talonflame.
Don't bother with Calm Mind Lando, just run LO and four attacks imo.
Dazzling Gleam is not the best for Togekiss. But idk what else to run so w/e
You have a weird spread for Pinsir, please fix it ._.

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Talonflame is now banned from Monotype. Also you cannot use Pinsir as it is not a Bug-Flying initially, making your Team illegal.

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volt absorb thundurus is immune to electric attacks.