Mongoose Legion Sidewalk Freestyle BMX Bike for Kids Reviews 200 Customer Reviews

Category: kids bikes
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Mongoose Legion Sidewalk Freestyle BMX Bike for Kids, Children and Beginner-Level Riders, Featuring Hi-Ten Steel Frame, Micro Drive 25x9T or 36x16T BMX Gearing, and 16-18-20-Inch Wheels

Mongoose Legion Freestyle BMX Sidewalk Bike Series for Kids

Legion L18

The Legion L18 features a Hi-Ten steel frame (16.9” top tube),. The L18 Hi-Ten steel 6.5” rise handlebar and 40mm stem are designed for precision riding, while the aluminum single wall 28H rims and 2.3” BMX tires offer grip and durability. The 25x9T gearing with 1-piece forged steel 140mm crank and American loose ball bottom bracket offer a clean, reliable drivetrain.

  • Horizontal Top Tube Length: 427mm
  • Stand Over Height: 515mm
  • Chain Stay Length: 335mm
  • The Mongoose Legion L18 is designed for entry-level riders and has a suggested rider height of 3’8” – 4’8”

Legion L16

  • Premium Mongoose Hi Ten Steel BMX frame and fork feature low stance geometry to offer a durable, responsive ride
  • Micro drive 25x9t BMX gearing with cassette driver and 1 piece forged steel cranks are simple yet strong
  • Rear alloy U brake with alloy brake levers for crisp stops; light and strong alloy rims won’t weigh you down
  • Alloy 4 bolt stem with 2piece bar for added strength and durability
  • High volume 2.35 inches tires complete the BMX experience

Legion LXS

  • The Legion LXS is the perfect sidewalk cruiser for young riders looking for their first 20” BMX-style bike. Suggested rider height is 4’0” – 5’0”.
  • The Legion LXS features a durable Hi-Ten steel frame and a 18.2-inch top tube length.
  • The LXS’s drivetrain features a 152mm 1-piece crank with a 36T steel chainring and American loose ball bottom bracket.
  • The wheelset features 20” x 2.0” tires mounted on aluminum single wall 36H rims with 3/8” female axle front hub and 16T cog freewheel cassette rear hub.
  • Steel linear pull brakes provide precision speed control, while the Hi-Ten steel handlebar and fork are joined by a 36mm stem and threaded headset for quality steering performance.
Mongoose Legion L18 Freestyle BMX Sidewalk Bike for Kids

For 45 years, Mongoose has been in the dirt, down the trails, and on the ramps. With the Legion Series, Mongoose offers a full line of freestyle BMX bikes for riders of all ages and ability levels.

The Legion L18 gives kids a perfect feel for what BMX is all about on a small 18-inch wheeled platform before they are ready to move into a larger 20-inch wheeled BMX bike.

Mongoose Legion L18 Freestyle BMX Sidewalk Bike for Kids

Hi-Ten Steel FrameThe L18 features a durable Hi-Ten steel frame with a 16.9 inch top tube length. Suggested rider height is 3’8” – 4’8”.Drivetrain and ChainringThe L18’s drivetrain features a 140mm 1-piece crank with a 25T alloy chainring and American loose ball bottom bracket.Wheelset and HubsThe wheelset features 18 inch x 2.3 inch tires mounted on aluminum single wall 28H rims with 3/8” female axle front hub and 9T cog sealed bearing cassette rear hub.Handlebars and StemAluminum U-brake provides precision speed control, while the Hi-Ten steel handlebar and fork are joined by a 40mm stem and threadless sealed integrated headset for maximum steering performance.

For almost 40 years, Mongoose has been in the dirt, on the trails and off the ramps. Founded in 1974 in a Southern California garage, Mongoose has always been an aggressive brand with products that push the limits of what a rider can do. From the biggest hits on the mountain or in the park to the urban jungle, Mongoose is an authentic brand that produces durable products built for real riders.

From the first products – to our current crop of BMX, Mountain and pavement bikes, Mongoose is synonymous with bikes that perform on the smoothest single track to the biggest drops and riders looking for trails that never end and keep the party going.

Reviews By Real Customers

5.0 out of 5 stars We searched everywhere for a “REAL” BMX bike that was pink.December 26, 2017 Color: Pink Style: Legion Lxs Verified Purchase

Recently my (almost) 8 year old daughter has been getting into BMX riding at the skate park. She had a 16” bmx hunk of junk from Toys’R’Us, so we knew it was time to upgrade. She wanted to keep the flashy pink styles most little girls like, but wanted a true style BMX for the park. This task seemed almost impossible.

SIZE: A lot of the other bikes are more professional style/size and were double the price. We really did our research because it’s not only the tire size that matters but the top tube length as well. She’s pretty tall at 4’4, but my husbands 20.75 top tube bike was just too much of a stretch for her. This bike came as a perfect fit for her with 20” tires and a 18.5” top tube length and she has have plenty of room to grow.

SIMILAR BIKES: Our search narrowed us down between this bike and the Mongoose Legion L40 (199.99 USD) or Mongoose Legion L80 (219.99 USD) both were more of an adult bike we thought she could grow into, but I’m so glad we we went with this one.

BIKE ITSELF: Honestly it’s not 100% pro BMX bike (Cranks aren’t the greatest, no gyro, but nothing major missing for an 8 year old) we did some tweaking (removed front brake, reflectors, etc) and it will suit her for the next few years until she’s ready for the responsibility of a nicer bike. This bike is also WAY lighter than her old 16” bike and easier for her to maneuver in and out of the house. The paint on this bike is absolutely incredible, the photos of it show a regular pink bike but it’s way more of a neon pink with a gorgeous subtle metal flake in it. The decals are tasteful and the pops of white on the bars and frame really make this one stand out. My daughter is so excited to show off her new bike at the skate park! We had this bike put together in 30 minutes or less, and it was very easy to do. It came in a large box and really just needed the bars, seat, pedals, and front tire put on.

If you’re on the fence about this one, go for it. You can’t beat the quality and style of his bike for the price.

Indiana Joan 5.0 out of 5 stars They were perfect for their size which is 50 inches tall

January 3, 2017 Color: White/Pink Style: Legion Lxs Verified Purchase

I purchased two of these bicycles for my 9 year old twin granddaughters. They were perfect for their size which is 50 inches tall. We had to lower the seat all the way down and adjust the handle bars back a little. So there is plenty of adjustment for future growth. The bikes arrived as scheduled and were in perfect condition. Some assembly, but nothing too difficult. About 15 minutes from unpack to ride per bike.

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Matt 5.0 out of 5 stars Awesome bike. Great Transition Bike

October 9, 2018 Color: Orange Style: Legion L16 Verified Purchase

I was trying to find a bike to transition our son off of his Strider, but didn’t want one with a pedal coaster brake (wanted a freewheel) as I think they are pointless as every adult BMX or MTB will have a freewheel rear hub…plus I wanted him to learn how to use a handbrake anyways. This bike is an incredible value at $149 compared to cheaper big box store junk12-16” bikes at $80-$150. The tires are nice and wide (almost between a regular tire and fat tire bike) should help with learning balance. Short of having a 3 piece crank this is essentially the little kid version of the higher end full size Mongoose Legion bikes. Very happy to find this (in my mind) steal of a deal as other bikes from SE, Hoffman, Haro, etc. cost twice as much and some still don’t have as much to offer as this. After seeing the quality of this bike it actually makes me want to get the Mongoose Legion L100 full size for myself.

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