Legion L40

The Mongoose Freestyle BMX Bike is engineered for riders who demand durability, precision, and aggressive styling. Built with a Hi-Ten steel frame and fork, this bike delivers the strength needed for hard landings and technical tricks. The BMX freestyle geometry ensures optimal control, while the sealed-bearing hubs and chromoly 3-piece cranks provide smooth, reliable performance.

Whether you’re hitting the skatepark, street spots, or dirt jumps, this bike is designed to withstand heavy abuse while maintaining a lightweight, responsive feel. The 20″ x 2.3″ tires offer superior grip, and the U-brake system gives you the stopping power you need for high-speed runs.

Perfect for:

 Street riding
Skatepark sessions
Dirt jumps
Beginner to intermediate freestyle progression

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 Specifications

Frame & Fork

• Frame: Hi-Ten steel, BMX freestyle geometry, Mid BB shell

• Fork: Hi-Ten steel

Drivetrain

• Crank: 3-piece tubular chromoly, 25T steel chainring

• Chain: KMC S1

• Bottom Bracket: Mid sealed bearing, 8-spline spindle

Wheels & Tires

• Rims: Aluminum single wall, 24mm ID, 36H

• Front Hub: Steel, ball bearing, 3/8″ axle, 36H

• Rear Hub: Steel, sealed-bearing cassette, 14mm axle, 36H

• Spokes: 14G steel (black)

• Tires: 20″ x 2.3″, wire bead

Brakes

• Brakes: U-brake, aluminum

Handlebars & Steering

• Handlebar: Hi-Ten steel, 28″ width, 8″ rise

• Stem: Threadless top load, 50mm

• Headset: Threadless, integrated 1-1/8″, retainer bearing

Seat & Pedals

• Seat Post: Steel, 250mm, 25.4mm

• Saddle: Mongoose Unifier (1-piece rails)

• Pedals: Mongoose nylon

Extras

• Grips: Mongoose MushXL (160mm)