--- product_id: 148969896 title: "Mongoose Legion Kids Freestyle Sidewalk BMX Bike" brand: "mongoose" price: "¥207619" currency: JPY in_stock: true category: "Mongoose" url: https://www.desertcart.jp/products/148969896-mongoose-legion-kids-freestyle-sidewalk-bmx-bike store_origin: JP region: Japan --- # 20-inch full-size BMX wheels 2.3-inch wide tires for max grip 9T alloy rear hub for true BMX feel Mongoose Legion Kids Freestyle Sidewalk BMX Bike **Brand:** mongoose **Price:** ¥207619 **Availability:** ✅ In Stock ## Summary > 🚀 Own the streets and skateparks with the Mongoose Legion L10 – where every ride is a progression. ## Quick Answers - **What is this?** Mongoose Legion Kids Freestyle Sidewalk BMX Bike by mongoose - **How much does it cost?** ¥207619 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/148969896-mongoose-legion-kids-freestyle-sidewalk-bmx-bike) ## 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 - • **Grip That Commands:** Wide 2.3-inch tires deliver confident traction on pavement, dirt, and skatepark surfaces—never lose your edge. - • **Full-Size BMX Power:** Authentic 20-inch wheels and geometry designed for riders 5'3" to 6'0" ready to level up their ride. - • **Responsive BMX Gearing:** 9T alloy rear hub paired with BMX-specific gearing for explosive acceleration and precision on every jump. - • **Smooth & Strong Pedaling:** Durable 1-piece crank ensures reliable power transfer as you build strength and master control. - • **Trusted Legacy, Limitless Progression:** From the OGs of BMX with 50+ years of heritage, Mongoose fuels your ride with proven durability and style. ## Overview The Mongoose Legion L10 is a freestyle BMX bike tailored for youth riders between 5'3" and 6'0". Featuring authentic BMX geometry, full-size 20-inch aluminum wheels, and wide 2.3-inch tires, it offers superior grip and control on diverse terrains. Its durable 1-piece crank and 9T alloy rear hub deliver smooth pedaling and responsive acceleration, while alloy U-brakes provide reliable stopping power. Backed by Mongoose’s 50+ years of BMX expertise, the Legion L10 is built for confident progression in street and skatepark riding. ## Description desertcart.com: Mongoose Legion L10 20" BMX Bike for Kids & Teens, Fits Riders 5'3" - 6'0" ## Features - FIRST REAL BMX: Designed for riders 5'3" to 6'0" tall, this freestyle bike combines full-size 20-inch wheels and authentic BMX geometry for progression on the street and at the skatepark. - 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. - BUILT FOR PROGRESSION: A durable 1-piece crank helps keep pedaling smooth and reliable while developing strength, balance, and bike control through every stage of learning. - TRUE BMX FEEL: A 9T alloy rear hub pairs with BMX-specific gearing for responsive acceleration and a ride feel that's right at home on jumps, transitions, and neighborhood sessions. Alloy U-brakes provide dependable stopping power. - 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0H7TBHHR8 | | Additional Features | Adjustable Seat | | Age Range Description | Youth | | Best Sellers Rank | #14,476 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #40 in Kids' Bicycles | | Bicycle Drivetrain Type | Chain Drive | | Bike Type | BMX Bike, Kids Bike | | Brake Style | U Brake | | Brand Name | Mongoose | | Color | Grey | | Customer Reviews | 4.4 4.4 out of 5 stars (4,027) | | Derailleur Configuration | Rear | | Frame Material Type | High Tensile Steel | | Included Components | Reflectors, User Manual | | Intended Riding Terrain | BMX Terrain, Paved Roads, Urban Terrain | | Item Type Name | BMX Bicycle | | Item Weight | 28.6 pounds | | Manufacturer | Mongoose | | Maximum Weight Recommendation | 200 pounds | | Minimum User Height | 48 inches | | Model Name | Legion L10 | | Model Number | M4136G27U2OS11 | | Model Year | 2026 | | Number Of Speeds | 1 | | Power Source | Manual | | Seat Material | Polyvinyl Chloride (PVC) | | Size | 20-Inch Wheels/L10 | | Specific Uses For Product | Freestyle | | Style Name | Bmx | | Suspension Type | Rigid | | UPC | 038675293724 | | Unit Count | 1 Count | | Warranty Description | Limited lifetime warranty on frame. 1 year limited warranty on parts. 30 day limited warranty on wearable parts. | | Warranty Type | Limited | | Wheel Material | Aluminum | | Wheel Size | 20 inches | | Wheel Width | 2.35 inches | ## Product Details - **Age Range (Description):** Youth - **Bike Type:** BMX Bike, Kids Bike - **Brand:** Mongoose - **Color:** Grey - **Frame Material:** High Tensile Steel - **Included Components:** Reflectors, User Manual - **Number of Speeds:** 1 - **Special Feature:** Adjustable Seat - **Suspension Type:** Rigid - **Wheel Size:** 20 inches ## Images ![Mongoose Legion Kids Freestyle Sidewalk BMX Bike - Image 1](https://m.media-amazon.com/images/I/81YSsVr4GEL.jpg) ## Available Options This product comes in different **Color, Size** 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? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/148969896-mongoose-legion-kids-freestyle-sidewalk-bmx-bike](https://www.desertcart.jp/products/148969896-mongoose-legion-kids-freestyle-sidewalk-bmx-bike) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-15*