--- product_id: 544240463 title: "Huazu RD-TY300-SGS Rear Derailleur, 6/7 Speed Bicycle Rear Derailleur, Long Cage Direct Mount, 34T Max Sprocket, 43T Capacity for Mountain, Road and Touring Bikes" brand: "huazu" price: "$27.73" currency: USD in_stock: true reviews_count: 8 category: "Huazu" url: https://www.desertcart.us/products/544240463-huazu-rd-ty300-sgs-rear-derailleur-6-7-speed-bicycle store_origin: US region: United States of America --- # Direct mount for quick installation 6/7-speed SIS Index compatibility Long cage fits up to 34T cassette Huazu RD-TY300-SGS Rear Derailleur, 6/7 Speed Bicycle Rear Derailleur, Long Cage Direct Mount, 34T Max Sprocket, 43T Capacity for Mountain, Road and Touring Bikes **Brand:** huazu **Price:** $27.73 **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Shift Like a Pro, Ride Like You Own the Trail! ## Quick Answers - **What is this?** Huazu RD-TY300-SGS Rear Derailleur, 6/7 Speed Bicycle Rear Derailleur, Long Cage Direct Mount, 34T Max Sprocket, 43T Capacity for Mountain, Road and Touring Bikes by huazu - **How much does it cost?** $27.73 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/544240463-huazu-rd-ty300-sgs-rear-derailleur-6-7-speed-bicycle) ## Best For - huazu enthusiasts ## Why This Product - Trusted huazu brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Lightweight aluminum alloy with hollow design for strength without bulk - • **Effortless Setup:** Direct mount design means less wrench time, more trail time - • **Silent & Smooth Ride:** Nylon wear-resistant guide wheel keeps chain noise-free and silky smooth - • **Versatile Terrain Ready:** Optimized for mountain, road, and touring bikes—conquer any path with confidence - • **Precision Shifting Mastery:** SIS Index tech + Double Servo-Panta for flawless gear changes every ride ## Overview The Huazu RD-TY300-SGS Rear Derailleur is a high-performance, durable aluminum alloy component designed for 6 and 7-speed mountain, road, and touring bikes. Featuring a long cage that supports up to a 34T cassette and advanced SIS Index technology with Double Servo-Panta mechanism, it delivers precise, silent, and smooth shifting. Its direct mount design ensures quick installation and easy maintenance, making it the perfect upgrade for riders seeking reliable, stress-free gear changes on any terrain. ## Description Introducing the RD-TY300-SGS Rear Derailleur - for your biking needs! Designed for mountain, road, and touring applications, this derailleur is optimized to provide a stress-free riding experience, making it an excellent choice for both beginners and seasoned cyclists.Model No: RD-TY300-SGSCompatible Chain: 7/6-speedLow Sprocket Max: 34TLow Sprocket Min: 28TMax. Front Difference: 20TPulley Teeth: 13/13TMount: Direct Attachment (Conventional) with Riveted Adapter optionsTop-Normal Spring Type: Double ServoTop Sprocket Max: 14TTop Sprocket Min: 11TRear Speeds: 7/6Other Features: 1.Total capacity of 43T: ensuring smooth and efficient gear shifts on various terrains.Conquer steep climbs and fast descents with ease. 2.Perfect tracking: The guide pulley closely tracks the cogs while moving front to back, optimizing each shift for the most accurate SIS shifting experience. 3.Easy installation and maintenance: The rear derailleur comes with a direct attachment (conventional mount), ensuring fast and convenient installation. Please note that it's not compatible with hub bolt mount, so check the mount type of your original parts before ordering.4.Sleek design: Finished in sleek black, this derailleur adds a touch of style to your bike. Upgrade your cycling experience with the RD-TY300-SGS Rear Derailleur. Whether you're tackling challenging trails or cruising on the road, this derailleur guarantees smooth and precise shifting, allowing you to enjoy every moment of your ride. Don't miss the opportunity to enhance your biking performance with this top-notch derailleur. Order yours now!After-sales service guarantee:If you find that the product has quality problems or can't be used after installation, don't rush to evaluate, you can contact us t Review: Good product 5 - Worked perfect wish they didn’t make some of the parts from plastic but super cheap to replace ! Review: Awesome product - Great product and easy to install. ## Features - Optimal Performance: Long cage design accommodates up to 34T cassette - Total Capacity 43T, pulley/Teeth 13/13T. - Built to Last: High-Quality Aluminum Alloy Construction with Hollow Weight-Reduction Design. Nylon wear-resistant aluminum alloy guide wheel for silent, smooth, and non-wearing chain. - Smooth and Effortless Shifting: SIS Index Technology and Double Servo-Panta Mechanism(Enables the rear derailleur to move in an optimum path)for Stress-Free Riding - Precise and Reliable: Compatible with 6 and 7-speed SIS INDEX transmission systems. Optimized guide pulley ensures precise shifting for accurate SIS performance. Suitable for Mountain, Road, and Touring Bikes. - Easy Installation and Maintenance: Direct Mounting Design for Fast and Convenient Setup.It can be adjusted slightly in multiple places to ensure accurate speed change performance. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C85PYVXT | | Best Sellers Rank | #64,255 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #24 in Rear Bike Derailleurs | | Brand | Huazu | | Brand Name | Huazu | | Case Material Type | Aluminum Alloy | | Color | black | | Customer Reviews | 4.2 out of 5 stars 138 Reviews | | Item Weight | 0.36 kg | | Manufacturer Part Number | RD-TY300 | | Model Number | RD-TY300 | | Mount Type | Clamp-On Mount | | Mounting Type | Clamp-On Mount | | Number of Items | 1 | | Number of Teeth | 34 | ## Product Details - **Brand:** Huazu - **Color:** black - **Item Weight:** 0.36 Kilograms - **Material:** Aluminum - **Mounting Type:** Clamp-On Mount ## Images ![Huazu RD-TY300-SGS Rear Derailleur, 6/7 Speed Bicycle Rear Derailleur, Long Cage Direct Mount, 34T Max Sprocket, 43T Capacity for Mountain, Road and Touring Bikes - Image 1](https://m.media-amazon.com/images/I/61NqeaP2BtL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good product 5 *by S***D on September 14, 2025* Worked perfect wish they didn’t make some of the parts from plastic but super cheap to replace ! ### ⭐⭐⭐⭐⭐ Awesome product *by B***N on August 15, 2025* Great product and easy to install. ### ⭐⭐⭐⭐⭐ Electric bike derailleur *by H***Z on November 7, 2025* Perfect fit and it works great ## Frequently Bought Together - Huazu Rear Derailleur 6/7-Speed for Tourney RD-TY300 Mountain Bikes-Smooth Shifting Direct Mount Design - Bike Chain Kit, Single/6/7/8/9/10/11/12 Speed Multi-Function Bike Mechanic Repair Kit, Chain Breaker and Bike Link Plier with Hook and 6 Pairs Bicycle Buckle, Reusable (6/7/8 Speed Bike Chain Kit) - AUTUT 2 Pcs Universal Bicycle Bike Derailleur Hanger Frame Gear Tail Hook, Silver Tone --- ## 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.us/products/544240463-huazu-rd-ty300-sgs-rear-derailleur-6-7-speed-bicycle](https://www.desertcart.us/products/544240463-huazu-rd-ty300-sgs-rear-derailleur-6-7-speed-bicycle) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-11-11*