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Mongoose  |  SKU: M41563U10OS

20" Mongoose Legion L40 (2025)

$52900
Colour: Navy

Pickup in-store only. Shipping not available.

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Sizing Chart

Sizing

BMX Bikes

This sizing chart to be used as a reference only. Minor variances may exist between manufacturers. The best way to determine your size is to visit us in-store and get fitted.

Wheel Size Top Tube Length Rider Height (cm) Rider Height (in)
12" 12-12.5" 60-91cm 2'0"-3'0"
14" 14-14.5" 81-106cm 2'8"-3'6"
16" 16-16.5" 96-122cm 3'2"-4'0"
18" 18-18.5" 122-147cm 4'0"-4'10"
20" 19.75-20.25" 147-157cm 4'10"-5'3"
20" 20-20.5" 157-168cm 5'3"-5'6"
20" 20.25-20.75" 168-175cm 5'6"-5'9"
20" 20.5-21" 175-183cm 5'9"-6'0"
20" 20.75-21.5" 183-190cm+ 6'0-6'3"

Shipping Information

Certain bike brands cannot be shipped and are only available for Click and Collect.

These include but are not limited to the following brands: Giant, GT, Liv, Momentum and Mongoose. 

For all other brands, we can provide a shipping quote to your postcode. Please contact us by email at staff@ivanhoecycles.com.au, or text us on 0417 122 950.

Fully assembled when you Click & Collect in-store
Buy Now, Pay Later with ZIP
Free service adjustment within first 6 months

With the Legion Series, Mongoose offers a full line of freestyle BMX bikes for riders of all ages and ability levels. The Legion L40 is a fully park, street or dirt worthy freestyle BMX bike that offers everything a new rider could need to bust their first tricks on their local ramp!

HIGHLIGHTS

  • Hi-Ten steel frame, removable brake mounts, and mid BB shell.
  • 175mm 3-piece tubular chromoly hollow spindle cranks with a 25T steel chainring and mid sealed bearing bottom bracket.
  • 20” x 2.3” tires mounted on aluminum single wall 36H rims with 3/8” female axle front hub and 9T cog sealed bearing cassette rear hub.
  • Hi-Ten steel handlebar and fork, 50mm stem, threadless sealed integrated headset, and Aluminum U-brake.
  • 20.5-inch top tube length. Suggested rider height is 5’0” – 5’6”.

SPECIFICATIONS

Frame Hi-Ten steel, BMX freestyle geometry, mid BB shell
Fork Hi-Ten steel
Crank 3-piece, tubular chromoly, 25T steel chainring
Chain KMC S1
Bottom Bracket Mid sealed bearing, 8-spline spindle
Rear Cog Single-speed, 9T cassette driver
Rims Aluminum single wall, 24 mm ID, 36H
Front Hub Steel, ball bearing, 3/8 in axle, 36H
Rear Hub Steel, sealed-bearing cassette, 14 mm axle, 36H
Spokes 14G, steel, black
Tires 20 in x 2.3 in, wire bead
Pedals Mongoose, nylon
Brakes U-brake, aluminum
Handlebar Mongoose, Hi-Ten steel, 28 in width, 8 in rise
Stem Mongoose, threadless top load, 50 mm
Headset Threadless, integrated 1-1/8”, retainer bearing
Seat Post Steel, 250 mm, 25.4 mm
Saddle Mongoose Unifier, 1 piece rails
Grips Mongoose MushXL, 160 mm
Sizes One size

20" Mongoose Legion L40 (2025)

$52900

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