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Mongoose L18 18" U Legion - SILVER

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  • $399.95

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The Mongoose Legion L100 BMX bike is a rad BMX bike for riders of any age or ability that are after a totally dialled freestyle machine. The L100 is an extremely capable BMX bike which is ideally suited to all riders who want to step up their game. The tough chromoly frame and fork is built with modern BMX geometry for the ultimate riding experience. The L100 is equipped with 2 piece tubular chromoly hollow spindle cranks which are reliable for the best ride every single time. While the aluminium U-Brake gives you the control that you need in the skate park or streets. You'll be rolling on 20x2.4" tyres and tough Xposure Infinity-XD aluminium double wall 36H rims for a smooth ride. The Mongoose Legion L100 BMX bike offers some awesome spec which creates a versatile freestyle machine which is ready for easy curb jumps or advanced aerial assaults at the skate park.


  • Mongoose full 4130 Chromoly frame, tapered headtube, removable brake mounts, and mid BB shell.
  • 175mm 2-piece tubular chromoly hollow spindle cranks with a 25T alloy chainring and mid sealed bearing bottom bracket.
  • 20” x 2.4” tires mounted on wide aluminium double wall 36H rims with 3/8” female axle front hub and 9T cog sealed bearing cassette rear hub.
  • 4130 chromoly handlebar and fork, 50mm stem, threadless sealed integrated headset, and Alloy U-brake.
  • 21-inch top tube length. Suggested rider height is 5'8" and up.
  • SKU MGM41201U20OS
    Season 2021
    Size 20inch
    Click & Collect Yes
    Wheel Size 20"
    Frame Material Steel
    Fork Material Steel
    Brake Type U-Brake
    Bottom Bracket Mid sealed bearing, 8-spline spindle
    Brakes Alloy U-Brake
    Brake Levers Alloy
    Cassette Single-speed, 9T cassette driver
    Chain KMC S1
    Crankset CrMo Tubular 2-piece, hollow spindle 25T aluminium chainring
    Fork CrMo 4130
    Frame CrMo 4130
    Grips Mongoose MushXL, 160 mm
    Handlebar Mongoose, CrMo 4130, 29" width, 8.75" rise
    Headset External, 1-1/8" Threadless
    Hubs Aluminum, Ball Bearing, 3/8" Axle, 36H
    Pedals Mongoose, nylon
    Rims Xposure Infinity-XD, aluminum double wall, 30 mm ID, 36H
    Saddle Mongoose Pivotal
    Seatpost Pivotal, steel, 250 mm, 25.4 mm
    Stem Mongoose, Threadless Top Load, 50 mm
    Spokes 14G, steel, black
    Tyres 20 x 2.4", wire bead
    Kids Bike Sizing 20 Inch