Mongoose Legion Freestyle BMX Bike for Advanced-Level or Professional Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels
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Style: L80
Size: 20-Inch Wheels
Color: Teal
Features
- L80 is a fully park, street or dirt worthy freestyle BMX bike, Hi-Ten steel 9 inch rise handlebar that will make you stand out at the bike park, Suggested rider height is 56 - 6'0".
- Ultra-durable Mongoose 4130 Chromoly front triangle, along with removable brake mounts and a mid BB shell, with a top tube length of 20.75 inches
- Drivetrain features 175 mm 3-piece tubular chromoly hollow spindle cranks with a 25T steel chainring and mid sealed bearing bottom bracket.
- Wheelset features 20 x 2.3 tires mounted on wide aluminum single wall 36H rims with 3/8 female axle front hub and 9T cog sealed bearing cassette rear hub.
- Aluminum U-brake and brake levers provide precision speed control, while the 4130 chromoly handlebar and fork are joined by a 50 mm stem and threadless sealed integrated headset for maximum steering performance.
Bike Type: BMX Bike
Age Range (Description): Big Kid
Brand: Mongoose
Number of Speeds: 1
Color: Teal
Wheel Size: 20 Inches
Frame Material: Chromoly Steel
Suspension Type: Rigid
Special Feature: freestyle, Aluminum Frame, BMX
Included Components: Mongoose Legion L80 Freestyle BMX Bike
Bike Type: BMX Bike
Age Range (Description): Big Kid
Brand: Mongoose
Number of Speeds: 1
Color: Teal
Wheel Size: 20 Inches
Frame Material: Chromoly Steel
Suspension Type: Rigid
Special Feature: freestyle, Aluminum Frame, BMX
Included Components: Mongoose Legion L80 Freestyle BMX Bike
Size: 20-Inch Wheels
Brake Style: U Brake
Specific Uses For Product: Trail
Item Weight: 12 Kilograms
Style: L80
Model Name: Legion BMX
Wheel Material: Aluminum
Year: 2020
Seat Material Type: Nylon
Warranty Type: Limited
Assembly Required: No
Is Autographed: No
Number of Handles: 1
Global Trade Identification Number: 08
UPC: 038675187108
Manufacturer: Pacific Cycle, Inc.
Item Package Dimensions L x W x H: 48.5 x 23.5 x 9.1 inches
Package Weight: 16.03 Kilograms
Item Dimensions LxWxH: 9.1 x 23.5 x 48.5 inches
Brand Name: Mongoose
Warranty Description: 5-year limited warranty on the frame and a 1-year limited warranty on parts.
Material: Steel, Other
Suggested Users: unisex-adult
Number of Items: 1
Part Number: M41300U20OS-PC
Grip Type: Mongoose MushXL, 160 mm
Date First Available: August 6, 2019
Frequently asked questions
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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: L100
Size: 20-Inch Wheels
Color: Blue
This review is coming from someone who has riden bmx for over 20 years, and has worked in or been a part of the bmx industry for over a 15 years now. So I know a a few things when it comes to high end, low end and everything in between. With that out of that way, let me say this, the L100 has a lot of good going for it. If managing to catch it for under $400 you can't go wrong. The full 4130 chromoly frame fork and bars is a huge step in the right direction and an excellent starting foundation if wanting to upgrade the bike in the future. The sealed rear wheel, mid bottom bracket, and internal headset are also nice, but I'll touch on those in a bit. The frame accommodates wide tires, I've pictured a 2.4" eclat fireball in the rear. The forks also have ample space for large tires as well. Stock pivotal seat is pretty comfy. Brakes feel pretty solid for stock brakes. Now, where the bike does fall short. The front wheel, it's unsealed. At the original asking price, there are other bike companies out there in this price range offering better specs. So I would have liked to see a sealed hub here. Now, the rims on these bikes are pinned instead of welded. While not a huge deal when you take in to account who this bike is marketed to, it's still something to make note of. The sprocket suffers from the "mass produced quickly" so it was rather bent causing some tight spots. Usually this is something you can't avoid on complete bikes like this. Stock chain is dainty, so I upgraded to a shadow v2 half link. There was grease on the clamp area of the stem where the bars go. I've never in my life greased that area, and I definitely recommend anyone gets one to check it before slapping the bars on. All in all, I purchased this for my wife to pedal around with me at skateparks so I wasn't expecting to be wowed. However I wasn't let down by the quality. Mongoose may be known as a department store brand, but they do have quite the bmx heritage. I think if you can score this bike on a deep discount, or sale and swap out the wheels, chain, perhaps stem and cranks at some point. You'll have a solid bike. Straight out of the bike, it's great for beginnera and intermediate or that old guy getting back in to it after years off the bike. Also, one thing to note, some of reviews are of people who bought a bmx bike and don't really understand what they bought. So for those reviews noting the chain guard or a kick stand. This isn't meant for a kickstand. And the chain guard is there because it has to be, you really aren't expected to keep it on the bike.
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Reviewed in the United States on February 24, 2023 by Kei Kei
Style: L100
Size: 20-Inch Wheels
Color: Blue
mongoose l80: first off Mongoose in some people's eyes are trash, but like like many brands carry a wide range of bikes (types, sizes and quality) yes they do have the low end bottom barrel walgoose models, then models like the fraction and legion series. Just know what you want and what your buying. The legion series is GREAT, designed for beginner to advanced BMX riders, yes it can be used as a commuter bike but may not be the most comfortable as in the fixed seat models are designed for trick and stunt riding, in my opinion from the l10 to the l40 (specifically) should come with adjustable height and angle seat as this is typically for a younger beginner rider, the l60 and above are for the more experienced to advanced riders. The l80 has been perfect for learning manuals, hops, fakies 180"s and crankflips for a 13 yr old 5'5. own the l60, l80, and l100 all are beautiful and completely changed my perspective on the Mongoose BMX, yes a part may beak (should not arrive broke) but part of BMX is upgrading your bike and making it better and stronger!! Definitely recommend the legion series based on rider height age and experience.
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Reviewed in the United States on August 9, 2020 by Amazon Customer
Style: L80
Size: 20-Inch Wheels
Color: Teal
This bike was a little pricey but compared to local retailers it was a good deal. My husband loves this bike. He is outside all the time with our boys. He said it’s a smooth ride and handles east!
Reviewed in the United States on June 21, 2024 by Amazon Customer
Style: L500
Size: 20-Inch Wheels
Color: Silver
Pros: best config you can get at this price range. Chromoly frame, fork and handlebar, sealed bearing for front and rear hub, freecoaster rear hub. (other brand like WTP, fly kink may cost you double for this config). Easy to assembly (just install the handlebar, padel, front wheel and seat). It come with a U brake and is suitable to install Gyro, but I took off the brake cos I run brakeless at park. Cons: Made in China by pacific bicycle, and 21 inch frame (suitable for 5'11 or above I guess).
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Reviewed in the United States on December 17, 2019 by Ben Ben
Style: L100
Size: 20-Inch Wheels
Color: Blue
I ride a lot of BMX (own 3 BMX bikes) so I know a little bit, and the bike I got is dangerous and wouldn't trust it. For starters, one of the front dropouts was bent so it was not aligned with the other dropout. But the bigger issue for me was the steering tube was rattling around inside the head tube despite being tight. After I saw that I was like NOPE- that's going back. These were noticed before I even unpacked or assembled the bike so there may even be more problems I didn't catch since I never even put it together. I wasn't expecting perfection with this being a Mongoose, but I feel the bike should at least be safe to operate. Maybe I got a bad one out of the batch. Just please if you buy this bike, please inspect it thoroughly. Side note, this was bought as used/ good condition, and was missing the pedals, the seat, and seat tube. Great job guys lol.
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Reviewed in the United States on April 23, 2023 by Random guy
Style: L80
Size: 20-Inch Wheels
Color: Teal
Great bike!! I was so concerned with all of the less than great reviews (regarding used parts, missing parts, damaged areas, etc...)... The bike shipped to me was wrapped very well for long term storage, and shipping as well... Easy to put together (if you know even a little about how to do so), and has detailed instruction manual as well - for great reference and usage information... This bike (Legion L500 Teal/purple-blue) is a great bike with a very appealing color scheme as well... Bought this for my daughter's 10th birthday, and I don't think she will need another BMX style bike for a few years to come!! Great purchase and seller did great getting it to me in the best shape possible, in the least amount of time possible!! 👍
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Reviewed in the United States on November 23, 2021 by Siggy
Style: L100
Size: 20-Inch Wheels
Color: Grey/Black
Perfect Size Bike for Me. I'm 5'6. Smooth Ride & Feels Very Durable. Happy Satisfied Customer. Definitely Recommend. Thanks Amazon & Crew. 8/30/24. :)
Reviewed in the United States on August 30, 2024 by THCshopper THCshopper