Mongoose Legion L100 2020 - BMX Bike
For over 45 years, Mongoose has been in the dirt, at the park, and on the street! We offer a variety of Freestyle BMX Bikes for riders of all ages and ability levels, which are designed to withstand the punishment that takes place as you progress your BMX skills. Mongoose has always been an aggressive BMX brand with products that push the limits of what a rider can do.
With the Legion Series, Mongoose offers a full line of freestyle BMX bikes for riders of all ages and ability levels. The Legion L100 was designed to be a fully park, street and dirt worthy BMX bike that offers everything a rider could need from beginner level curb jumps all the way up to advanced aerial tricks on a quarterpipe!
Key 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.
Occasionally, without notice, manufacturers change product design and/or specifications.
BMX Size guide
Kids BMX Size Chart
Rider Height |
BMX |
||
Feet & Inches |
Centimetres |
Approximate Age |
Wheel Size |
3'7" - 4'0" |
110cm - 122cm |
5 - 7 years |
16" |
4'0" - 4'10" |
122cm - 147cm |
7 - 11 years |
18" |
4'10" - 6'4" |
147cm - 193cm |
11+ years |
20" |
Adult BMX Size chart
20” BMX bikes can be sized on top tube length. A taller rider will suit a longer top tube. Though some riders might wish to experiment with top tube length to suit different riding styles, below is a suggestion.
Rider Height |
Top tube length |
5’0” – 5’5” (152 – 165cm) |
20” – 20.5” |
5’5” – 5’10” (165 – 178cm) |
20.75” |
5’10 – 6’0”+ (178 – 183cm+) |
21”+ |
Cruiser BMX Sizing
BMX Bikes with wheels larger than 24” are known as cruisers and will suit riders taller than 5’0” 152cm.
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