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Mongoose Legion L80 BMX Bike Blue (2021)

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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 L80 BMX bike is a rad BMX bike for riders of any age or ability that are after a totally dialled freestyle machine. The L80 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 Hi-Ten steel fork is built with modern BMX geometry for the ultimate riding experience. The L80 is equipped with 3 piece tubular chromoly 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 20x2.3" tyres and aluminium single wall 36H rims for a smooth ride. The Mongoose Legion L80 BMX bike offers some awesome spec at a great price which makes it the perfect way start out on a full size 20" BMX bike.

Features

  • Mongoose® chromoly main triangle frame; Hi-Ten steel fork; mid BB
  • 3-piece chromoly tubular crank; 8-spline spindle
  • Aluminum single wall 36H rims; 2.3” tyres
More Information
SKU MGM41301U20OS
Season 2021
Size 20inch
Click & Collect Yes
Wheel Size 20"
Frame Material Steel
Fork Material Steel
Brake Type U-Brake
Bottom Bracket American loose ball
Brakes Alloy U-Brake
Brake Levers Alloy
Crankset CrMo Tubular 3-piece, 25T steel chainring
Fork Hi-Ten steel
Frame CrMo 4130
Grips Mongoose MushXL, 160 mm
Handlebar Mongoose, Hi-Ten steel, 29" width, 9" rise
Headset Threadless, 1-1/8" external, cartridgebearing
Hubs F: Steel, ball bearing, 3/8 in axle, 36H R: Steel, ball bearing, 3/8 in axle 36H
Pedals Mongoose, nylon
Rims Aluminum single wall, 29 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
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) 527.0
CS Chain Stay Length (mm) 348.0
HTA Head Tube Angle (°) 75.0
STA Seat Tube Angle (°) 71.0
HT Head Tube (mm) 120.0
S Stack (mm) -
WB Wheel Base (mm) 922.0

 

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