--- product_id: 729176129 title: "Mongoose Legion Street Freestyle BMX Bike Line for Beginner to Advanced Riders, Hi-Ten Steel or 4130 Chromoly Frame, Micro Drive 25x9T BMX Gearing, U-Brakes with Removable Mounts, and 20-Inch Wheels" brand: "mongoose" price: "11670509β‚«" currency: VND in_stock: false url: https://www.desertcart.vn/products/729176129-mongoose-legion-street-freestyle-bmx-bike-line-for-beginner-to store_origin: VN region: Vietnam --- # 20-inch durable wheels 25x9T Micro Drive gearing Hi-Ten steel & 4130 Chromoly frame Mongoose Legion Street Freestyle BMX Bike Line for Beginner to Advanced Riders, Hi-Ten Steel or 4130 Chromoly Frame, Micro Drive 25x9T BMX Gearing, U-Brakes with Removable Mounts, and 20-Inch Wheels **Brand:** mongoose **Price:** 11670509β‚« **Availability:** ❌ Out of Stock ## Summary > πŸš€ Own the streets and ramps with the Mongoose Legion – where every trick starts with unstoppable style! ## Quick Answers - **What is this?** Mongoose Legion Street Freestyle BMX Bike Line for Beginner to Advanced Riders, Hi-Ten Steel or 4130 Chromoly Frame, Micro Drive 25x9T BMX Gearing, U-Brakes with Removable Mounts, and 20-Inch Wheels by mongoose - **How much does it cost?** 11670509β‚« with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/729176129-mongoose-legion-street-freestyle-bmx-bike-line-for-beginner-to) ## 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 or chromoly frame engineered for street, park, and dirt riding durability - β€’ **Grip & Stability:** 36H aluminum single-wall rims paired with 20x2.3” tires for ultimate traction on any terrain - β€’ **Ready for Action:** Ships nearly assembled with a 5-year frame warrantyβ€”jump into your next ride with confidence - β€’ **Smooth Power Transfer:** 3-piece tubular chromoly cranks with sealed bottom bracket for effortless pedaling - β€’ **Precision Control Braking:** Aluminum U-brakes with removable mounts for tailored stopping power ## Overview The Mongoose Legion L40 is a versatile freestyle BMX bike designed for beginner to advanced riders between 5’0” and 5’6”. Featuring a durable Hi-Ten steel or 4130 Chromoly frame, 20-inch wheels with grippy 2.3” tires, and a high-performance 25x9T Micro Drive drivetrain, it delivers precision control and reliable power transfer. Aluminum U-brakes with removable mounts and a sealed bottom bracket ensure smooth, responsive handling. Perfectly engineered for street, park, and dirt riding, it comes ready to assemble with a 5-year frame warranty, making it the ultimate choice for riders ready to elevate their BMX game. ## 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 L40 was designed to be a fully park, street and dirt worthy BMX bike. The Legion L40 features a Hi-Ten steel frame (20.5” top tube), tapered headtube, mid BB shell, and removable break mounts. The L40 Hi-Ten steel 8.75” rise handlebar and 50mm stem are designed for precision riding, while the aluminum single wall 36H rims and 2.3” BMX tires offer grip and durability when landing a trick. The 25x9T gearing with 3-piece tubular chromoly 175 mm hollow spindle cranks and mid sealed bottom bracket offer a clean, reliable drivetrains. Aluminum U-brake with alloy brake levers provide speed control, while the Hi-Ten steel BMX fork with 1-1/8" threadless steerer and taper leg 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 - L40 is a fully park, street or dirt-worthy freestyle BMX bike that offers everything a new rider could need to bust their first tricks on their local ramp! Suggested rider height is 5’0”-5’6” - Durable bike, built with a Hi-Ten steel frame, removable brake mounts, and a mid BB shell, and has a top tube length of 20.5" - Equipped with a high-performance drivetrain that includes 175 mm 3-piece tubular chromoly hollow spindle cranks, a 25T steel chainring, and a mid-sealed bearing bottom bracket - Wheelset featuring 20" x 2.3" tires mounted on 36H aluminum single-wall rims, along with a 3/8" female axle front hub and a 9T cog sealed bearing cassette rear hub - Aluminum U-brake and brake levers provide precision speed control, while the Hi-Ten steel handlebar and fork are joined by a 50 mm stem and threadless sealed integrated headset for maximum steering performance ## Technical Specifications | Specification | Value | |---------------|-------| | Bike Type | BMX Bike | | Age Range (Description) | Kid | | Brand | Mongoose | | Number of Speeds | 1 | | Colour | White | | Wheel Size | 20 Inches | | Frame Material | High Tensile Steel | | Suspension Type | Front | | Special Feature | Aluminum Frame, BMX, freestyle | | Included Components | Mongoose Legion L40 Freestyle BMX Bike | | Size | 20-Inch Wheels L40 | | Brake Style | U Brake | | Specific Uses For Product | Trail | | Item Weight | 12 Kilograms | | Style | L40 | | Model Name | Legion Intermediate | | Wheel Material | Aluminium | | Model Year | 2020 | | Assembly Required | Yes | | Batteries Included | No | | Frame material | High Tensile Steel | | Handle Type | BICYCLE | | Material Type | Steel | | Number of Items | 1 | | Skill level | Intermediate | | Features | Aluminum Frame, BMX, freestyle | | Manufacturer | Pacific Cycle, Inc. | ## Product Details - **Bike Type:** BMX Bike - **Age Range (Description):** Kid - **Brand:** Mongoose - **Number of Speeds:** 1 - **Colour:** White ## Images ![Mongoose Legion Street Freestyle BMX Bike Line for Beginner to Advanced Riders, Hi-Ten Steel or 4130 Chromoly Frame, Micro Drive 25x9T BMX Gearing, U-Brakes with Removable Mounts, and 20-Inch Wheels - Image 1](https://m.media-amazon.com/images/I/71+WKIWcY0L.jpg) ![Mongoose Legion Street Freestyle BMX Bike Line for Beginner to Advanced Riders, Hi-Ten Steel or 4130 Chromoly Frame, Micro Drive 25x9T BMX Gearing, U-Brakes with Removable Mounts, and 20-Inch Wheels - Image 2](https://m.media-amazon.com/images/I/71hb+NWEDsL.jpg) ![Mongoose Legion Street Freestyle BMX Bike Line for Beginner to Advanced Riders, Hi-Ten Steel or 4130 Chromoly Frame, Micro Drive 25x9T BMX Gearing, U-Brakes with Removable Mounts, and 20-Inch Wheels - Image 3](https://m.media-amazon.com/images/I/61koSHK-HnL.jpg) ![Mongoose Legion Street Freestyle BMX Bike Line for Beginner to Advanced Riders, Hi-Ten Steel or 4130 Chromoly Frame, Micro Drive 25x9T BMX Gearing, U-Brakes with Removable Mounts, and 20-Inch Wheels - Image 4](https://m.media-amazon.com/images/I/71btcknKE8L.jpg) ![Mongoose Legion Street Freestyle BMX Bike Line for Beginner to Advanced Riders, Hi-Ten Steel or 4130 Chromoly Frame, Micro Drive 25x9T BMX Gearing, U-Brakes with Removable Mounts, and 20-Inch Wheels - Image 5](https://m.media-amazon.com/images/I/71MGS5uIW5L.jpg) ## Frequently Bought Together - Mongoose Legion Kids Freestyle BMX Bike, Intermediate Rider, Boys and Girls Bikes, 20-Inch Wheels, Hi-Ten Steel Frame, Micro Drive 25x9T BMX Gearing - Zelerdo 2 Pairs Aluminum Alloy Bike Pegs for Mountain Bike Cycling Rear Stunt Pegs Fit 3/8 inch Axles - Mongoose Legion Freestyle BMX Bike for Advanced-Level or Professional Riders, Adult Men Women, 4130 Chromoly Frame, and 20-Inch Wheels --- ## 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.vn/products/729176129-mongoose-legion-street-freestyle-bmx-bike-line-for-beginner-to](https://www.desertcart.vn/products/729176129-mongoose-legion-street-freestyle-bmx-bike-line-for-beginner-to) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-15*