31level cap
Chuck (with 5 badges) fields 4 Pokémon between level 29 and level 31 in Cianwood Gym.
This is around Chuck, Jasmine and Pryce — the 5th, 6th and 7th badges, in any order in the story — that page lists everything you can have caught by this point.
Types on this team: Fighting ×3RockWater
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Hitmontop Lv 30 Fighting | Triple Kick Rolling Kick Dig Pursuit | HP50Attack95Defense95Sp. Atk35Sp. Def110Speed75Total460 | |
 | Primeape Lv 29 Fighting | Low Kick Karate Chop Ice Punch Rage | HP65Attack105Defense60Sp. Atk60Sp. Def70Speed95Total455 | |
 | Sudowoodo Lv 30 Rock | Rock Slide Thunderpunch Low Kick Faint Attack | HP80Attack100Defense115Sp. Atk30Sp. Def85Speed30Total440 | |
 | Poliwrath Lv 31 WaterFighting | Held item Blackbelt | Hypnosis Mind Reader Surf Dynamicpunch | HP90Attack85Defense95Sp. Atk70Sp. Def90Speed70Total500 |
How to beat this team
Shared weaknesses. Fairy hits 3 of 4, Flying hits 3 of 4, Psychic hits 3 of 4, Grass hits 2 of 4.
Level to be ready for. Lv 31 — Poliwrath, the highest on the team.