Legion L40 – 20" Complete BMX Bike

The Legion L40 is a 20" complete BMX bike built for riders who are progressing past entry-level and need a more capable platform to develop their riding. It comes equipped with a 3-piece chromoly crankset, sealed bearings throughout, and 2.4" tires, putting it above base-level completes in terms of component quality and durability. A practical step-up option for riders ready to put in longer sessions and start pushing into more demanding tricks.

Key Features

• 3-piece chromoly crankset – A significant upgrade over the 1-piece steel cranks found on entry-level completes. 3-piece cranks are stronger, lighter, and use a standard spindle interface, meaning they are compatible with replacement cranks and bottom brackets as the rider progresses and upgrades
• Sealed bearings – Sealed cartridge bearings at the bottom bracket and wheels keep contaminants out and require less frequent maintenance than unsealed alternatives, holding up better to regular outdoor use and varied conditions
• 20" x 2.4" tires – A wider tire profile provides a larger contact patch for improved traction and more cushioning on landings, which matters more as trick difficulty and drop height increase
• Aluminum pedals – Lighter and more durable than plastic pedals, aluminum platform pedals offer better grip retention over time and hold up to repeated foot strikes and ground contact without cracking or deforming

Technical Specifications

• Brand: Legion
• Model: L40
• Wheel size: 20"
• Tire size: 20" x 2.4"
• Crankset: 3-piece chromoly
• Bearings: Sealed
• Pedals: Aluminum platform

Compatibility and Ideal Use Cases

The L40 is a complete bike and arrives ready to ride. It is built around standard 20" BMX sizing, meaning individual components — tires, cranks, pedals, bars, and stem — can be replaced or upgraded using off-the-shelf BMX parts as they wear or as the rider's needs change. Best suited to intermediate-level riders transitioning from a beginner complete, or new riders who want to start on a more capable platform from the outset. Appropriate for street, park, and general recreational riding. Not a professional-grade build, but a solid foundation for progressing riders who will benefit from better components without the cost of a full custom build.