About Bike Delivery

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Timelines

Delivered ready to ride in 10 to 14 days.

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Place your order

Select the product you are interested in, click delivery, type in your postcode, and select Bike Delivery. If this is not available there is no available stock nearby.

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Order Confirmation

Once your order is placed we will be in contact with you within 2 hours to confirm your order.

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Bike Build

Your bike will be built up at your local 99 bikes by one of our expert mechanics and safety checked prior to delivery.

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Delivery

Your bike is delivered to your door by a 99 Bikes expert who will walk you through your new bike and answer any questions you may have.

Next Business Day Delivery

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Timelines

Delivered before 8pm next business day.

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Place your Order

All orders placed before midnight will be delivered next business day before 8pm.

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Picked for Delivery

Your local 99 Bikes store will prepare your order ready for dispatch.

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Delivery

One of our friendly 99 Delivery team members will deliver your order.

Shipping & Delivery Options

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At 99 Bikes, we offer multiple delivery options to suit your needs. Here’s a quick overview:

Click & Collect:
Order online and pick up your item from a nearby store — free and often same-day!

Standard Delivery:
Available for most parts and accessories.
Estimated delivery:

  • Metro: 2–14 business days
  • Regional & Remote: Up to 21 business days

Express Delivery:
Available for most parts and accessories.
Estimated delivery:

  • Metro: 1–6 business days
  • Regional & Remote: Up to 21 business days

Boxed Bike Delivery:
For selected bikes. Delivered boxed to your address and ready to be assembled in 1 - 2 weeks.

Note: Delivery times are an estimate and actual delivery times may vary based on public holidays and peak periods. Bulky items may take longer.
For full details, delivery estimates and more information, please visit our Shipping & Delivery Info page.

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Mongoose Legion L100 BMX Bike Dark Grey (2020)

Out of stock
Request a Price Beat

Up to 12 months interest free

Features

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

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

First Free Tune-up
Every bike comes with a complimentary free tune-up and safety check.

Please note that, in order to reduce production and delivery times, bike specifications are subject to change by the manufacturer without notice. Please be aware that these changes might not be reflected on product pages and images.

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
SKU MGM41200U10OS
Season 2020
Size 20inch
Click & Collect Yes
Frame 4130 chromoly, BMX freestyle geometry, removable brake mounts, integrated headset, mid BB shell
Frame Material Chromoly
Fork 4130 chromoly
Fork Material Chromoly
Front Gears Single
Crankset 2-piece, tubular chromoly hollow spindle, 25T aluminum chainring
Pedals Mongoose, nylon
Chain KMC S1
Brake Type Rim Brake
Brakes Linear pull, aluminum
Cassette Single-speed, 9T cassette driver
Wheel Size 20"
Tyres 20 in x 2.4 in, wire bead
Rims Xposure Infinity-XD, aluminum double wall, 30 mm ID, 36H
Hubs Aluminum, ball bearing, 3/8 in axle, 36H R: Aluminum, sealed-bearing cassette, 14 mm axle, 36H
Spokes 14G, steel, black
Bottom Bracket Mid sealed bearing, 8-spline spindle
Handlebar Mongoose, 4130 chromoly, 29 in width, 8.75 in rise
Headset Threadless, integrated 1-1/8", cartridge bearing
Grips Mongoose MushXL, 160 mm
Stem Mongoose, threadless top load, 50 mm
Saddle Mongoose Pivotal
Seatpost Pivotal, steel, 250 mm, 25.4 mm
Sizing 20 Inch

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

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