Mongoose Legion L80 2021 - BMX Bike
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | 4130 chromoly front triangle, BMX freestyle geometry, integrated headset, mid BB shell |
| Fork | Hi-Ten steel |
| Headset | Threadless, integrated 1-1/8", cartridge bearing |
| Stem | Mongoose, threadless top load, 50 mm |
| Bars | Mongoose, Hi-Ten steel, 29 in width, 9 in rise |
| Front Brake | U-brake, aluminum |
| Rear Brake | U-brake, aluminum |
| Speed | 1 |
| Rims | Aluminum single wall, 29 mm ID, 36H |
| Front Hub | Aluminum, ball bearing, 3/8 in axle, 36H |
| Rear Hub | Aluminum, sealed-bearing cassette, 14 mm axle, 36H |
| Spokes | 14G, steel, black |
| Front Tyre | 20 in x 2.3 in, wire bead |
| Rear Tyre | 20 in x 2.3 in, wire bead |
| Seat Post | Pivotal, steel, 250 mm, 25.4 mm |
| Saddle | Mongoose Pivotal |
| Chainset | 3-piece, tubular chromoly, 25T steel chainring |
| Bottom Bracket | Mid sealed bearing, 8-spline spindle |
| Chain | KMC S1 |
| Cassette | Single-speed, 9T cassette driver |
| Pedals | Mongoose, nylon |
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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