Mongoose Legion L100 BMX Bike Blue (2020)

Now $581.00 RRP $599.00 SAVE $18.00
In stock
or 4 interest-free payments of  $145.25
Learn more

5% Best Price Guarantee  We'll beat any price by 5%*

Our 5% Best Price Guarantee is our commitment that we offer the lowest price. If you find a cheaper price, we will beat it by 5%.

  • Applies to any cheaper price found on any online store in Australia, or in a physical store within Australia.
  • Applies when the competitor's final price inclusive of any taxes and delivery fees.
  • Excludes Garmin products, other exclusions apply learn more here.
Request a Price Beat

Available on orders over $40. Collection in 3-14 business days. WA orders may take longer. More info »

Free delivery over $99. Some exclusions apply. More info »

Up to 12 months interest free

Features

Perfect Ride Guarantee

Perfect Ride Guarantee
If you don't love it, you can swap it, up to 30 days from purchase!* Learn more »

Free Bike Build

Free Bike Build
We'll build your bike for free when you click and collect at any 99 Bikes store.

First Free Service

First Free Service
Every bike come with a complimentary free service and safety check.

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.

Features

  • 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 aluminum 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.
More Information
Shipping Weight 0.000000
Season 2020
SKU MGM41200U20OS
Size 20inch
Click & Collect Yes
Wheel Size 20"
Brake Type Mechanical Disc Brake
Bottom Bracket Mid sealed bearing, 8-spline spindle
Brakes Mongoose, mechanical, aluminum, 160 mm rotor
Cassette Single-speed, 9T cassette driver
Chain KMC S1
Crankset 2-piece, tubular chromoly hollow spindle, 25T aluminum chainring
Derailleur Front Shimano FD-M315, band clamp
Derailleur Rear Shimano RD-TX800
Fork 4130 chromoly
Frame 4130 chromoly, BMX freestyle geometry, removable brake mounts, integrated headset, mid BB shell
Grips Mongoose MushXL, 160 mm
Handlebar Mongoose, 4130 chromoly, 29 in width, 8.75 in rise
Headset Threadless, integrated 1-1/8", cartridge bearing
Hubs Aluminum, ball bearing, 3/8 in axle, 36H R: Aluminum, sealed-bearing cassette, 14 mm 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
Shifters Shimano SL-M315, 2 x 8
Tyres 20 in x 2.4 in, wire bead
Speeds ## x ##
Kids Bike Sizing 20 Inch
Gender Mens, Unisex
Frame Material Chromoly
Fork Material Chromoly

About Mongoose Bicycles

Mongoose Bikes was born in California in the 1970s and was at the core of the early days of BMX. In the late 80s Mongoose was again at the forefront of the new mountain bike scene in the US, and was a pioneer of the dual-suspension mountain bike in the early 90s. 40 years on and Mongoose continues to dominate the bike industry with a range of BMX, mountain, recreational and kids bikes transporting riders all across the world.

View all Mongoose bikes >

View all BMX Bikes

Club 99 Membership

Join Club 99 for just $5 when you make a purchase in store, or use the button below to buy membership online. To reward you for being a club member, your Club 99 membership card will give you these great benefits:

  • Discounted Club 99 pricing, in store and online
  • A $25 gift card when you spend over $500 in a year *
  • Access to free bike maintenance classes
  • Exclusive priority access to new offers
  • Access to exclusive guarantees

Please note that when you buy Club 99 membership online, it may take up to 20 minutes to receive your welcome email.

* Click here for Club 99 terms and conditions.

20" Freestyle BMX Sizing Chart

Rider's Height (cm)
140
145
150
155
160
165
170
175
180
185
190
195
19.5-20"
Top Tube
20-20.5"
Top Tube
20.5-21"
Top Tube
21+"
Top Tube

This is only an estimate, and every new bike comes with a free professional bike fit when you click & collect in store, plus all bikes have a 30 day Perfect Ride Guarantee.