About Bike Delivery

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Timelines

Delivered ready to ride in 4 to 10 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.

About standard bike delivery

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Timelines

Dispatched in 2 - 3 working days. Delivery times vary based on location.

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Place your order

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

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Order Confirmation

Once your order is placed, you will receive an email to confirm your order within 15 mins.

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Bike Build and Re-box

Your bike will be built up, gears and brakes tuned, test ridden and then reboxed ready for delivery.

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Delivery

Your bike is delivered by our trusted couriers and will come 85% assembled. Our bike build videos can help you guide you through the final assembly required.

Mongoose Legion L20 BMX Bike White (2021)

$449.95 $410.00   ? You automatically get Club Price when buying online. But there are extra benefits if you join Club 99. $369.00  
To access Gold Price, sign in or join for $35.
In stock

Delivery options

Request a Price Beat

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 Tune-up
Every bike come with a complimentary free tune-up and safety check.

Please note, due to challenges in the product supply chain, bike specifications are subject to change without notice. Specifications listed below may not match exactly as shown in the photo.

The Mongoose Legion L20 BMX is a 20 inch BMX to help you enter the world of freestyle in style. The Legion is a great first bike, with a range of reliable, safe and durable spec. The L20 is built with a tough Hi-Ten steel frame, forks and 8 inch handlebars which are light enough so that you can ride in control. The saddle and grips are comfortable to ensure that you can enjoy every ride without issue and the aluminium U-brake adds safe control this speed machine so that you can ride with confidence. The Mongoose Legion L20 BMX bike offers everything a beginner could ask for in a BMX, ready to hit the streets and dominate from day dot.

Features

  • Mongoose® Hi-Ten steel frame and fork; 8” handlebar; 20.25" Top-Tube length
  • 3-piece chromoly tubular crank; 8-spline spindle
  • Aluminium single wall 36H rims; 2.3” tyres

More Information
SKU MGM41801U10OS
Season 2021
Size 20inch
Click & Collect Yes
Wheel Size 20"
Frame Material Steel
Fork Material Steel
Cassette Type Single Speed
Brake Type Rim Brake
Bottom Bracket American loose ball
Brakes Alloy U-Brake
Brake Levers Alloy
Cassette Single-speed, 9T cassette driver
Chain KMC S1
Crankset 1-piece, forged steel, 25T steel chainring
Fork Hi-Ten steel
Frame Hi-Ten steel
Grips Mongoose Mush, 145 mm
Handlebar Mongoose, Hi-Ten steel, 26 in width, 7 in rise
Headset Threadless, 1-1/8" external, retainer bearing
Hubs F: Steel, ball bearing, 3/8 in axle, 28H R: Steel, ball bearing, 3/8 in axle 28H
Pedals Mongoose, nylon
Rims Aluminum single wall, 24 mm ID, 28H
Saddle Mongoose, steel rails
Seatpost Steel, 250 mm, 25.4 mm
Stem Mongoose, threadless front load, 48 mm
Spokes 14G, steel, black
Tyres 20 in x 2.3 in, wire bead
Kids Bike 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

BMX Bike Geometry Diagram

Legend

ST Seat Tube

TT Top Tube

CS Chain Stay Length

HTA Head Tube Angle

STA Seat Tube Angle

BD Bottom bracket Drop

HT Head Tube

FL Fork Length

R Reach

S Stack

WB Wheel Base

Size

20inch
Wheel Size 20"
Frame Size 20inch
ST Seat Tube (mm) 223.0
TT Top Tube (mm) 515.0
CS Chain Stay Length (mm) 348.0
HTA Head Tube Angle (°) 74.0
STA Seat Tube Angle (°) 71.0
HT Head Tube (mm) 100.0
S Stack (mm) -
WB Wheel Base (mm) 916.0

 

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