18" Mongoose Legion L18 (2025)
18" Mongoose Legion L18 (2025) - Black : This product is available for backorder only. Will ship as soon as it is back in stock.
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Sizing Chart
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
Shipping Information
This product: Pickup in-store only. Shipping not available.
Shipping available†
We offer shipping on select brands including: Rocky Mountain, Orbea, XDS, Icon, Jamis, Shogun, Schwinn, BYK, Kidvelo. These bikes are shipped unbuilt in their original box.
†Only bikes stocked at our Warehouse location are available for shipping.
Shipping upon request to your local bike shop
Some brands require the bike is delivered directly to a bicycle shop or mechanic for assembly, and shipping is not available to your residence. These include GT, Cannondale, .
Request a shipping quote to proceed.
Pickup in-store only
Certain bike brands cannot be shipped and are only available for Click and Collect or purchase in-store.
These include but are not limited to the following brands: Giant, Norco, Liv, Momentum, Malvern Star and Mongoose.
Pre-assembled bikes
†Any bikes in stock at our Heidelberg Heights, Hallam or Hoppers Crossing store locations are already fully assembled, and therefore only available for Click and Collect or purchase in-store.
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" |
18" Mongoose Legion L18 (2025)
Mongoose Legion L18 (2025)
With the Legion Series, Mongoose offers a full line of freestyle BMX bikes for riders of all ages and ability levels. The Legion L18 is the perfect in-between option for a kid who wants what comes on a standard 20” BMX but needs a slightly smaller frame!
HIGHLIGHTS
- Mongoose® Hi-Ten steel frame and fork; 7” handlebar
- 1-piece forged steel crank; 140 mm crank arms; 25/9t gearing
- Aluminum single wall 28H rims; 18 x 2.3” tires
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Top Tube Length
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Frame material
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Frame
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Fork
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Handlebar
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Grips
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Headset
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Stem
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Seatpost
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Saddle
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Pedals
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Shifters
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Front Derailleur
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Rear Derailleur
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Brakes
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Cassette/Freewheel
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Chain
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Crankset
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Bottom Bracket
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Rims
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Hubs
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Spokes
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Tyres
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Notes
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Speeds (rear)Single Speed
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Age GroupKids
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GenderGirls, Boys
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SKUBlack: M41263U10OS
