--- product_id: 620149147 title: "FD-TY300 Front Bike Derailleur for 3x6/7 Speed | Compatible with mountain, road, and hybrid bikes. for smooth front shifts. Durable construction." brand: "rainflowwer" price: "$28.68" currency: USD in_stock: true reviews_count: 8 url: https://www.desertcart.us/products/620149147-fd-ty300-front-bike-derailleur-for-3x6-7-speed-compatible store_origin: US region: United States of America --- # Adjustable clamp size 31.8-34.9mm 3x6/7-speed compatibility Lightweight high-strength aluminum alloy FD-TY300 Front Bike Derailleur for 3x6/7 Speed | Compatible with mountain, road, and hybrid bikes. for smooth front shifts. Durable construction. **Brand:** rainflowwer **Price:** $28.68 **Availability:** ✅ In Stock ## Summary > ⚡ Shift Faster, Ride Smarter – Own the Trail with FD-TY300! ## Quick Answers - **What is this?** FD-TY300 Front Bike Derailleur for 3x6/7 Speed | Compatible with mountain, road, and hybrid bikes. for smooth front shifts. Durable construction. by rainflowwer - **How much does it cost?** $28.68 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/620149147-fd-ty300-front-bike-derailleur-for-3x6-7-speed-compatible) ## Best For - rainflowwer enthusiasts ## Why This Product - Trusted rainflowwer brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Down Swing Design:** Optimized for pull-down cable systems, delivering responsive and reliable shifting. - • **Universal Clamp Fit:** Adjustable 31.8mm to 34.9mm clamp fits most mountain and road bikes. - • **Double SIS Positioning:** Enhanced chain alignment for smoother, faster gear changes and extended drivetrain life. - • **Durable Aluminum Alloy Build:** Lightweight yet robust design ensures long-lasting performance. - • **Seamless 3x6/7-Speed Shifting:** Effortlessly switch gears with precision for every terrain. ## Overview The RainFlowwer FD-TY300 Front Derailleur is a high-strength aluminum alloy component designed for 3x6/7-speed mountain and road bikes. Featuring an adjustable clamp size (31.8mm to 34.9mm) and a down swing pull-down mechanism, it offers precise double SIS positioning for smooth, reliable gear shifts. Lightweight and durable, it enhances riding efficiency and drivetrain longevity, making it an essential upgrade for serious cyclists. ## Description Bicycle Front Derailleur FD-TY300 3 x 6/7 Speed Up/Down Swing, Bike Derailleur 3 Speed with Adjust Clamp Size 31.8mm 34.9mm for Mountain Bike Road Bicycle ## Features - 【Model】Front derailleur FD-TY300 Down swing 34.9mm, 3x6/7-speed. Please carefully check whether the front derailleur of your bike is a pull-Down type before buying, if yours is a pull-Up type, it is not applicable. - 【Compatible tooth ratio】42T, drawing mode: up double pull, installation diameter: 34.9mm. - 【Double SIS positioning】47.5-50mm chain center line compatible with wide chain design, improve variable speed response, extend service life. - 【Features】Clamp Band Mount, 3x6/7-speed. Made of high strength aluminum alloy material, strong and durable, lightweight design.Implementing a weight reduction design to make your riding more comfortable. - 【Principle of speed change】The speed change line pulls the guide chain piece to toggle the chain, so that the chain runs on different tooth pieces of the tooth disk, realizing the tooth ratio of different speeds, making the riding more effortless and faster. ## Technical Specifications | Specification | Value | |---------------|-------| | Mounting Type | Clamp-On Mount | | Number of Teeth | 42 | | Product Dimensions | 4.33"L x 3.34"W x 4.33"H | | Manufacturer | RainFlowwer | | Item Package Dimensions L x W x H | 5.35 x 3.9 x 3.19 inches | | Package Weight | 0.19 Kilograms | | Item Dimensions LxWxH | 4.33 x 3.34 x 4.33 inches | | Brand Name | RainFlowwer | | Warranty Description | 1 year | | Model Name | FD-TY300 Down Swing 34.9mm | | Suggested Users | unisex-adult | | Number of Items | 1 | | Included Components | Front Derailleur TY300 Down Swing 34.9mm | | Size | Down Swing 34.9mm | ## Product Details - **Brand:** RainFlowwer - **Color:** Down Swing 34.9mm - **Material:** Aluminum - **Item Weight:** 145.1 Grams - **Case Material:** Alloy Steel ## Images ![FD-TY300 Front Bike Derailleur for 3x6/7 Speed | Compatible with mountain, road, and hybrid bikes. for smooth front shifts. Durable construction. - Image 1](https://m.media-amazon.com/images/I/61TY9oc9lsL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ As described *by S***R on May 4, 2025* As described ### ⭐⭐⭐⭐⭐ Great and easily replacement. *by R***. on April 17, 2025* Works great. Easily replaced the old one. ### ⭐⭐ Cheap junk *by J***Y on June 30, 2025* Junk. Will not stay in place. Poorly built. Have had it on two different bikes and ready to send it to the trash. ## Frequently Bought Together - Bicycle Front Derailleur FD-TY300 3 x 6/7 Speed Up/Down Swing, Bike Derailleur 3 Speed with Adjust Clamp Size 31.8mm 34.9mm for Mountain Bike Road Bicycle - Boao Universal Bicycle Transmission Line Bicycle Shift Derailleur Cable and Brake Cable Kit for Mountain Road Bike Repair --- ## 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/620149147-fd-ty300-front-bike-derailleur-for-3x6-7-speed-compatible](https://www.desertcart.us/products/620149147-fd-ty300-front-bike-derailleur-for-3x6-7-speed-compatible) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-05*