--- product_id: 724785761 title: "Mongoose Legion LSX Freestyle Sidewalk BMX Bike for-Kids, -Children and Beginner-Level to Advanced Riders, 20-inch Wheels, Hi-Ten Steel Frame, Micro Drive 25x9T BMX Gearing, Red (M51809M50OS-PC)" brand: "mongoose" price: "343021CFA" currency: XOF in_stock: false url: https://www.desertcart.sn/products/724785761-mongoose-legion-lsx-freestyle-sidewalk-bmx-bike-for-kids-children store_origin: SN region: Senegal --- # 20-inch BMX wheels for agile cruising Micro Drive 25x9T BMX gearing for smooth rides Hi-Ten steel frame built for durability Mongoose Legion LSX Freestyle Sidewalk BMX Bike for-Kids, -Children and Beginner-Level to Advanced Riders, 20-inch Wheels, Hi-Ten Steel Frame, Micro Drive 25x9T BMX Gearing, Red (M51809M50OS-PC) **Brand:** mongoose **Price:** 343021CFA **Availability:** ❌ Out of Stock ## Summary > πŸ”₯ Own the streets with the ultimate beginner BMX! 🚲 ## Quick Answers - **What is this?** Mongoose Legion LSX Freestyle Sidewalk BMX Bike for-Kids, -Children and Beginner-Level to Advanced Riders, 20-inch Wheels, Hi-Ten Steel Frame, Micro Drive 25x9T BMX Gearing, Red (M51809M50OS-PC) by mongoose - **How much does it cost?** 343021CFA with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/724785761-mongoose-legion-lsx-freestyle-sidewalk-bmx-bike-for-kids-children) ## Best For - mongoose enthusiasts ## Why This Product - Trusted mongoose brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Built to Last:** Hi-Ten steel frame and fork engineered for rugged freestyle fun and long-term durability. - β€’ **Ready to Roll:** Lightweight 27.1 lbs with aluminum rims and grippy 2.0” tires for immediate trick mastery. - β€’ **Precision Control:** Front and rear steel linear pull brakes deliver confident stopping power every time. - β€’ **Perfect First Ride:** Ideal 20” BMX bike tailored for kids 4’0” to 5’0” ready to own the sidewalk. - β€’ **Smooth Power Transfer:** Micro Drive 25x9T gearing with 1-piece forged steel crank ensures reliable, clean pedaling. ## Overview The Mongoose Legion LSX is a 20-inch BMX bike designed for kids between 4’0” and 5’0” tall, featuring a durable Hi-Ten steel frame, precision linear pull brakes, and a reliable Micro Drive 25x9T gearing system. Lightweight yet rugged, it’s built to introduce young riders to freestyle BMX with confidence and style, backed by a 5-year frame warranty. ## Description 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 LXS is the perfect sidewalk cruiser for young riders looking for their first 20” BMX-style bike. The Legion LXS features a Hi-Ten steel frame (18.2” top tube), tapered headtube, mid BB shell, and removable brake mounts. The LXS Hi-Ten steel 7” rise handlebar and 36mm stem are designed for precision riding, while the aluminum single wall 36H rims and 2.0” BMX tires offer grip and durability when landing a trick. The 25x9T gearing with 1-piece forged steel 152mm crank and American loose ball bottom bracket offer a clean, reliable drivetrains. Steel linear pull brakes provides speed control, while the Hi-Ten steel BMX fork with 1-1/8" threadless steerer helps maximize performance. This bike ships ready to be assembled and comes with a 5-year limited warranty on the frame and a 1-year limited warranty on parts. ## Features - 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 inches tires mounted on aluminum single wall 36H rims with 3/8 inches female axle front hub and 16T cog freewheel cassette rear hub - Front and back steel linear pull brakes provide precision speed control, while the Hi Ten steel handlebar and fork are joined by a 36 millimeter stem and threaded headset for quality steering performance ## Technical Specifications | Specification | Value | |---------------|-------| | Bike Type | BMX Bike | | Age Range (Description) | Kid | | Brand | Mongoose | | Number of Speeds | 1 | | Colour | Red | | Wheel Size | 20 Inches | | Frame Material | Alloy Steel | | Suspension Type | Rigid | | Special Feature | Aluminum Frame, BMX, freestyle | | Included Components | Bicycle | | Size | kids | | Brake Style | Linear Pull | | Specific Uses For Product | Trail | | Item Weight | 27.1 Pounds | | Style | Legion Lsx | | Model Name | Legion Novice | | Assembly Required | Yes | | Global Trade Identification Number | 00038675158160 | | UPC | 038675158160 | | Manufacturer | Pacific Cycle, Inc. | | Department | unisex-teen | | Item model number | M51809M50OS-PC | | ASIN | B07G1N7237 | ## Product Details - **Bike Type:** BMX Bike - **Age Range (Description):** Kid - **Brand:** Mongoose - **Number of Speeds:** 1 - **Colour:** Red ## Images ![Mongoose Legion LSX Freestyle Sidewalk BMX Bike for-Kids, -Children and Beginner-Level to Advanced Riders, 20-inch Wheels, Hi-Ten Steel Frame, Micro Drive 25x9T BMX Gearing, Red (M51809M50OS-PC) - Image 1](https://m.media-amazon.com/images/I/71j9riOiV+L.jpg) ![Mongoose Legion LSX Freestyle Sidewalk BMX Bike for-Kids, -Children and Beginner-Level to Advanced Riders, 20-inch Wheels, Hi-Ten Steel Frame, Micro Drive 25x9T BMX Gearing, Red (M51809M50OS-PC) - Image 2](https://m.media-amazon.com/images/I/71RUPOVRyfL.jpg) ![Mongoose Legion LSX Freestyle Sidewalk BMX Bike for-Kids, -Children and Beginner-Level to Advanced Riders, 20-inch Wheels, Hi-Ten Steel Frame, Micro Drive 25x9T BMX Gearing, Red (M51809M50OS-PC) - Image 3](https://m.media-amazon.com/images/I/61exeIdrqTL.jpg) ![Mongoose Legion LSX Freestyle Sidewalk BMX Bike for-Kids, -Children and Beginner-Level to Advanced Riders, 20-inch Wheels, Hi-Ten Steel Frame, Micro Drive 25x9T BMX Gearing, Red (M51809M50OS-PC) - Image 4](https://m.media-amazon.com/images/I/71ClVKQCZNL.jpg) ![Mongoose Legion LSX Freestyle Sidewalk BMX Bike for-Kids, -Children and Beginner-Level to Advanced Riders, 20-inch Wheels, Hi-Ten Steel Frame, Micro Drive 25x9T BMX Gearing, Red (M51809M50OS-PC) - Image 5](https://m.media-amazon.com/images/I/71ELYiJhETL.jpg) ## Available Options This product comes in different **Colour, Style Name** options. ## Frequently Bought Together - Mongoose Legion Kids Freestyle Sidewalk BMX Bike, Beginner Riders, Boys and Girls, 16-20-inch Wheels, Hi-Ten Steel Frame, Micro Drive BMX Gearing - Zelerdo 2 Pairs Aluminum Alloy Bike Pegs for Mountain Bike Cycling Rear Stunt Pegs Fit 3/8 inch Axles - Mongoose Legion Kids Freestyle BMX Bike, Intermediate Rider, Boys and Girls Bikes, 20-Inch Wheels, Hi-Ten Steel Frame, Micro Drive 25x9T BMX Gearing --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/724785761-mongoose-legion-lsx-freestyle-sidewalk-bmx-bike-for-kids-children](https://www.desertcart.sn/products/724785761-mongoose-legion-lsx-freestyle-sidewalk-bmx-bike-for-kids-children) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-09-13*