27highest level
Biker Jaren fields 2 Pokémon between level 25 and level 27 in Route 8.
Fought at Route 8.
This is around Thunder Badge — Rock Tunnel to Celadon City — Lv. 35 cap in the story — that page lists everything you can have caught by this point.
Types on this team: DarkIcePoison
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Grimer Lv 25 Poison | Ability Stench | Disable Minimize Sludge Screech | HP80Attack80Defense50Sp. Atk40Sp. Def75Speed25Total350 |
 | Sneasel Lv 27 DarkIce | Ability Inner Focus | Knock Off Screech Icy Wind Slash | HP55Attack95Defense55Sp. Atk80Sp. Def75Speed115Total475 |
How to beat this team
Shared weaknesses. Bug hits 1 of 2, Fairy hits 1 of 2, Fighting hits 1 of 2, Fire hits 1 of 2.
Level to be ready for. Lv 27 — Sneasel, the highest on the team.
Bug Pokémon you can have caught by this point. From this guide’s own encounter tables, by Thunder Badge — Rock Tunnel to Celadon City — Lv. 35 cap: