--- product_id: 694656882 title: "THALOUS Bicycle Rear Derailleur 6/7/8/9 Speed for MTB Mountain Bike Road Bike Direct Mount" brand: "thalous" price: "€ 37.05" currency: EUR in_stock: true reviews_count: 9 category: "Thalous" url: https://www.desertcart.gr/products/694656882-thalous-bicycle-rear-derailleur-6-7-8-9-speed-mtb store_origin: GR region: Greece --- # Aluminium alloy durability 6-9 speed compatibility Direct mount for stable shifting THALOUS Bicycle Rear Derailleur 6/7/8/9 Speed for MTB Mountain Bike Road Bike Direct Mount **Brand:** thalous **Price:** € 37.05 **Availability:** ✅ In Stock ## Summary > ⚡ Shift into the fast lane with precision and style! ## Quick Answers - **What is this?** THALOUS Bicycle Rear Derailleur 6/7/8/9 Speed for MTB Mountain Bike Road Bike Direct Mount by thalous - **How much does it cost?** € 37.05 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/694656882-thalous-bicycle-rear-derailleur-6-7-8-9-speed-mtb) ## Best For - thalous enthusiasts ## Why This Product - Trusted thalous brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Direct Mount Stability:** Engineered for direct installation, delivering precise and reliable shifting performance. - • **Seamless 6-9 Speed Shifting:** Optimized for SIS index drivetrains, ensuring smooth gear transitions on every ride. - • **Silent & Smooth Guide Wheels:** PA nylon and aluminum alloy pulleys reduce noise and chain wear for a quieter ride. - • **Lightweight Aluminium Alloy Build:** Crafted from high-strength forged aluminum for durability without the bulk. - • **Universal MTB & Road Compatibility:** Fits mountain, road, racing, city, and folding bikes—your all-terrain upgrade. ## Overview The THALOUS Bicycle Rear Derailleur is a robust, lightweight component designed for 6 to 9-speed SIS index drivetrains. Made from high-quality aluminum alloy, it offers direct mount installation for enhanced stability and smooth, silent shifting with wear-resistant guide wheels. Compatible with a wide range of bike types, it’s engineered to elevate your riding experience with durability and precision. ## Description Product description About us THALOUS is a professional bicycle brand factory, which has been deeply involved in the bicycle industry for more than 20 years. We are committed to bringing good products and experiences to customers. We specialize in bicycle accessories and strictly control the quality, just to bring you a perfect riding experience. Bicycle rear derailleur Medium Cage 6/7/8/9-speed Direct mount Compatible Compatible with 6/7/8/9-speed SIS Index Shifting drivetrains, the derailleur is offered in a wide range of fitments and cage options. SPECIFICATIONS Compatible chain: HG 9/8/7/6-speed Total capacity: 43T sprocket_Min-Max: 11-36T Max. front difference: 18T Pulley_Teeth: 12/12T Pulley cage: GS Aluminum alloy Hollow weight reduction integrated, aluminum alloy body, high-strength forging, more stable shifting. Silent guide wheel PA nylon wear-resistant aluminum alloy guide wheel, quiet and smooth, no chain wear. Improve drive efficiency Reducing product weight without sacrificing the stability. ## Features - Model: Bicycle rear derailleur, suitable for 6 7 8 9-speed SIS index variable speed drives - Direct installation: Before purchasing, please confirm whether the rear derailleur of your bicycle is directly installed or hook mounted - High-quality material: This bicycle rear derailleur is made of high-quality Aluminium alloy, sturdy and durable, not easily deformed and not easily damaged - Wide application: This bicycle transmission is suitable for variable speed bikes, such as mountain bikes, road bikes, racing bikes, city bikes, folding bikes, etc. Is a good helper for your riding - Professional customer service: If you have any questions about our products or services, please feel free to contact us, we will provide you with professional services ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DMLKPYKL | | Best Sellers Rank | #106,489 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #58 in Rear Bike Derailleurs | | Brand | THALOUS | | Brand Name | THALOUS | | Case Material Type | Aluminium alloy | | Color | 6/7/8/9 speed | | Customer Reviews | 4.5 out of 5 stars 177 Reviews | | Item Weight | 0.57 Pounds | | Manufacturer | THALOUS | | Manufacturer Part Number | TH-Rear789S-US | | Model Number | TH-Rear789S-US | | Number of Teeth | 18 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** THALOUS - **Color:** 6/7/8/9 speed - **Item Weight:** 9.12 ounces - **Manufacturer:** THALOUS ## Images ![THALOUS Bicycle Rear Derailleur 6/7/8/9 Speed for MTB Mountain Bike Road Bike Direct Mount - Image 1](https://m.media-amazon.com/images/I/61+KANFw9GL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by B***S on January 26, 2025* ### ⭐⭐⭐⭐⭐ Review *by G***. on September 24, 2024* ### ⭐⭐⭐⭐⭐ Review *by A***R on August 8, 2024* ## Frequently Bought Together - THALOUS Bicycle Rear Derailleur 6/7/8/9 Speed for MTB Mountain Bike Road Bike Direct Mount - 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.gr/products/694656882-thalous-bicycle-rear-derailleur-6-7-8-9-speed-mtb](https://www.desertcart.gr/products/694656882-thalous-bicycle-rear-derailleur-6-7-8-9-speed-mtb) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-07-25*