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To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Size: 20-Inch Wheels/L20
Color: Mint
Features
- STEP UP YOUR GAME: Built for riders 5' 3" to 6' 0" tall who are progressing beyond the basics, this 20-inch freestyle BMX bike delivers upgraded components for park, street, and everyday riding.
- CONFIDENT GRIP: Wide 2.3-inch tires provide confident traction on pavement, park surfaces, and packed dirt. Built to help riders stay planted while building skills and trying something new.
- POWER THROUGH THE SESSION: A lightweight 3-piece chromoly crank delivers reliable power transfer and the durability riders need when tricks, jumps, and ride time start getting more serious.
- UPGRADED WHERE IT COUNTS: A 9T sealed rear hub supports smooth rolling performance, while a 14 mm axle adds durability to handle repeated landings and everyday BMX abuse.
- KNOW YOUR ROOTS: As one of the OGs in action sports, Mongoose has helped bring the BMX movement to the world. For over 50 years, we've been all about epic rides and pushing limits and we're just getting started.
Bike Type: BMX Bike, Kids Bike
Age Range (Description): Youth
Brand: Mongoose
Number of Speeds: 1
Color: Mint
Wheel Size: 20 inches
Frame Material: High Tensile Steel
Suspension Type: Rigid
Special Feature: Adjustable Seat
Included Components: Reflectors, User Manual
Bike Type: BMX Bike, Kids Bike
Number Of Speeds: 1
Suspension Type: Rigid
Additional Features: Adjustable Seat
Brake Style: U Brake
Specific Uses For Product: Freestyle
Power Source: Manual
Intended Riding Terrain: BMX Terrain, Paved Roads, Urban Terrain
Bicycle Drivetrain Type: Chain Drive
Color: Mint
Wheel Size: 20 inches
Size: 20-Inch Wheels/L20
Wheel Width: 2.35 inches
Item Weight: 28.6 pounds
Warranty Type: Limited
Maximum Weight Recommendation: 200 pounds
Minimum User Height: 48 inches
Age Range Description: Youth
Brand Name: Mongoose
Included Components: Reflectors, User Manual
Model Number: M4146G27U1OS11
Model Name: Legion L20
Model Year: 2026
UPC: 038675293731
Manufacturer: Mongoose
Unit Count: 1 Count
Item Type Name: BMX Bicycle
Warranty Description: Limited lifetime warranty on frame. 1 year limited warranty on parts. 30 day limited warranty on wearable parts.
Frame Material Type: High Tensile Steel
Wheel Material: Aluminum
Seat Material: Polyvinyl Chloride (PVC)
Frequently asked questions
To initiate a return, please visit our Returns Center.
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- Zip Pay in 4
- Financing through Apple Pay
- Financing through Google Pay
Learn more about financing & leasing here.
