By Trek

Trek Kids Wahoo 20 Trail Bike 2026 Emerald Iris


$849.99

Klarna financing available on orders $2,000+


Gender: Kids
Season: Spring/Summer 2026

Bike Delivery

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The Trek Kids Wahoo 20 Trail Bike is all about giving young riders that “real trail bike” feeling, whether they’re ripping pump tracks, cruising bike paths, or taking their first laps on mellow singletrack, with a lightweight, easy-to-handle build that keeps rides fun instead of fatiguing.

Built by Trek with kid-specific trail geometry, the Wahoo 20 Trail pairs a lightweight carbon fork and hydraulic disc brakes with a simple 9-speed microSHIFT Advent drivetrain, grippy 20x2.20" tires, and internal routing for a 31.6mm dropper post, so the bike grows with skills as confidence and speed pick up.

Key Features

  • Wheel Size: 20"
  • Tire Size: 20x2.20"
  • Max Tire Size: 20x2.40"
  • Drivetrain Speed: 9-speed
  • Brake Rotor Size: 160mm front & rear
  • Max Brake Rotor Size: 160mm front & rear
  • Chainring Size: 30T
  • Frame: Alpha Silver Aluminum 20" frame designed for kid-specific trail geometry with internal routing compatibility for a 31.6mm dropper post
  • Fork: Wahoo 20" carbon fork with post mount disc brake interface and ThruSkew 5mm quick release
  • Drivetrain: microSHIFT Advent 9-speed system with SL-M6295 trigger shifter, RD-M6195S rear derailleur, and 11–38 cassette for simple, wide-range gearing
  • Braking System: Tektro HD-J285 hydraulic disc brakes with 6-bolt 160mm rotors for consistent stopping power
  • Wheelset: Formula DC-20/DC-22 alloy hubs with 6-bolt mounts laced to 20" alloy rims with 28 spokes
  • Contact Points: Bontrager alloy handlebar and stem with kids’ grips and padded kids’ saddle for stable control and comfort
  • Fit & Control: Upright, confidence-focused geometry paired with thumb-activated trigger shifters for easy gear changes
  • Dropper Post Compatibility: Frame accepts an internally routed 31.6mm dropper post for improved movement on descents
  • Fender: Trek custom front fender included for trail spray protection