With the Legion Series, Mongoose offers a full line of freestyle BMX bikes for riders of all ages and ability levels. The Legion L80 is a fully park, street or dirt worthy freestyle BMX bike that offers chromoly 8.75” 4-piece bars that will make you stand out at the bike park!


  • Mongoose® chromoly main triangle frame; Hi-Ten steel fork; mid BB
  • 3-piece chromoly tubular crank; 8-spline spindle
  • Aluminum single wall 36H rims; 2.3” tires

Mongoose Legion L80 Red BMX Bike 2020

  • Wheel Size 20 in
    Frame 4130 chromoly front triangle, BMX freestyle geometry, integrated headset, mid BB shell
    Fork Hi-Ten steel
    Crank 3-piece, tubular chromoly, 25T steel chainring
    Chain KMC S1
    Bottom Bracket Mid sealed bearing, 8-spline spindle
    Drivetrain Single-speed, 9T cassette driver
    Rims Aluminum single wall, 29 mm ID, 36H
    Front Hub Aluminum, ball bearing, 3/8 in axle, 36H
    Rear Hub Aluminum, sealed-bearing cassette, 14 mm axle, 36H
    Spokes 14G, steel, black
    Tyres 20 in x 2.3 in, wire bead
    Pedals Mongoose, nylon
    Brakes U-brake, aluminum
    Handlebar Mongoose, Hi-Ten steel, 29 in width, 9 in rise
    Stem Mongoose, threadless top load, 50 mm
    Headset Threadless, integrated 1-1/8", cartridge bearing
    Seat Post Pivotal, steel, 250 mm, 25.4 mm
    Saddle Mongoose Pivotal
    Grips Mongoose MushXL, 160 mm