Mongoose Legion L40 20″ Freestyle BMX Bike, Grey




Price: £249.95


  • Frame: Hi-Ten Steel, BMX Freestyle Geometry, Mid BB Shell
  • Fork: Hi-Ten Steel, 1 1/8″ Threadless Steerer, Taper Leg
  • Crank: 3-Piece
  • Chain: KMC Z410
  • Bottom Bracket: Mid Sealed Bearing, 8-Spline Spindle
  • Cog Set: 9T Cassette Driver
  • Rims: Aluminium Single Wall 36H
  • Front Hub: Steel, 3/8″ Axle, 36H
  • Rear Hub:36H, 9T Cassette, 14mm Axle, Sealed Bearing, Al Shell
  • Spokes: 14G Black
  • Tires: 20″ x 2.3″
  • Pedals: BMX, Nylon
  • Brakes: Aluminium U-Brake
  • Brake Levers: Aluminium
  • Handlebar: Mongoose Hi-Ten, 8.75″
  • Grips: Mongoose MushXL, 160mm
  • Stem: Mongoose, Top Load 50mm Ext.
  • Headset: 1-1/8″ Threadless External
  • Seat Post: Steel, 25.4mm, Integrated Saddle
  • Saddle: Mongoose Unifier
  • Extras: Brake Detangler


  • Length: 116.87cm
  • Width: 19.7cm
  • Height: 55.14cm
  • Weight: 12.47kg

The Legion series of bikes offers everything a BMX rider could need. Mongoose has infused over 40 years of experience along with feedback and insights from the pro athletes to develop the best line of Legion bikes yet.

Mongoose Hi-Ten BMX frame and fork is comfortable and fits modern BMX geometry; top tube measures 20.5″ long
25x9t gearing with cassette driver and durable 3-piece tubular cromo 170 mm cranks with sealed mid bottom bracket
Front alloy caliper front brake and rear U-brake combine with the 360 Degree brake rotor for tangle-free braking and rad bar spins
Stay in control with the Mongoose 8 3/4″ handlebars and the Mongoose top loader 50 mm threadless stem
Light and strong alloy rims add crucial durability without weighing you down


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