Mongoose Legion L18" BMX Bike 2020 at . Quality 18" BMX Bikes from Waller BMX.

Mongoose Legion L18" BMX Bike

£254.99 £299.99 Sale Save
Product Inventory

Item is in stock Only 0 left in stock Item is out of stock Item is unavailable

Mongoose Legion L18" BMX Bike

With the Legion Series, Mongoose offers a full line of freestyle BMX bikes for riders of all ages and ability levels. The Legion L18 is the perfect in-between option for a kid who wants what comes on a standard 20” BMX but needs a slightly smaller frame!


  • Frame: Hi-Ten steel, BMX freestyle geometry
  • Fork: Hi-Ten steel
  • Crank: 1-piece, forged steel, 25T steel chainring
  • Chain: KMC S1
  • Bottom Bracket: American loose ball
  • Drivetrain: Single-speed, 9T cassette driver
  • Rims: Aluminium single wall, 24 mm ID, 28H
  • Front Hub: Steel, ball bearing, 3/8 in axle, 28H
  • Rear Hub: Steel, ball bearing, 3/8 in axle, 28H
  • Spokes: 14G, steel, black
  • Tyres: 18 in x 2.3 in, wire bead
  • Pedals: Mongoose, nylon
  • Brakes: U-brake, aluminium
  • Handlebar: Mongoose, Hi-Ten steel, 26 in width, 7 in rise
  • Stem: Mongoose, threadless front load, 48 mm
  • Headset: Threadless, 1-1/8" external, retainer bearing
  • Seat Post: Steel, 250 mm, 25.4 mm
  • Saddle: Mongoose, steel rails
  • Grips: Mongoose Zig, 130 mm

*Spec subject to change without notice, based on component availability.

If you need help with BMX Parts then you've come the right BMX store!

Visit our helpful BMX Guide for all the information you need when choosing BMX parts.

Give Waller BMX a call or an email and we will help. Or, click the chat icon for live help from our knowledgeable BMX staff.

- Spend over £50 and get Free UK Delivery

- Spend over £249.99 for Free Next Day UK Delivery

Visit our Shipping and Returns page for more information.

Please read the following regarding availability notices on our product pages;

- Waller BMX, Onboard Skatepark (Ready to dispatch): Good Stock

This means the item is In-stock and ready to leave the Waller BMX store the same day if ordered in business hours.

- Available (2-6 Days Dispatch): Good Stock

This means the item is In stock at our warehouse location and items will be despatched by us in 2-6 working days.

- Please contact us for dates or alternative options

This means we will special order the items from our supplier which usually leaves within 7 days.


Waller BMX is located in Sheffield, UK. We are lifelong riders with a passion for BMX. With knowledgable staff, we are like the riding encylopedia of BMX - Ask us anything!