--- product_id: 574886159 title: "RUTU 420 Chain Sprocket Rear Sprocket 45 Tooth 76mm" brand: "rutu" price: "€ 154.90" currency: EUR in_stock: true reviews_count: 5 category: "Rutu" url: https://www.desertcart.hr/products/574886159-rutu-420-chain-sprocket-rear-sprocket-45-tooth-76mm store_origin: HR region: Croatia --- # Compatible with 420 Chain Size 45 Tooth Precision Gear Heat-Treated 45# Steel RUTU 420 Chain Sprocket Rear Sprocket 45 Tooth 76mm **Brand:** rutu **Price:** € 154.90 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your ride with power and precision — don’t get left behind! ## Quick Answers - **What is this?** RUTU 420 Chain Sprocket Rear Sprocket 45 Tooth 76mm by rutu - **How much does it cost?** € 154.90 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/574886159-rutu-420-chain-sprocket-rear-sprocket-45-tooth-76mm) ## Best For - rutu enthusiasts ## Why This Product - Trusted rutu brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Chain Grip:** Precision engineering reduces friction, extending chain life and maintaining smooth performance. - • **Unmatched Durability:** Heat-treated 45# steel ensures long-lasting strength and corrosion resistance for rugged rides. - • **Versatile Compatibility:** Fits a wide range of Chinese 50-170cc dirt bikes including Apollo, RFZ, SSR, and more. - • **Optimized Power Delivery:** 45-tooth design balances torque and speed, giving you the perfect edge on any terrain. - • **Complete Installation Kit:** Includes 4 screws for a hassle-free upgrade—get back on the trail faster. ## Overview The RUTU 420 Rear Sprocket is a high-quality, heat-treated 45# steel sprocket with 45 teeth, designed for Chinese 50-170cc dirt bikes. Engineered for superior chain grip and reduced friction, it enhances power delivery and extends chain life. Compatible with 420 chain size and includes 4 screws for easy installation, making it the ultimate upgrade for riders seeking durability and performance on any terrain. ## Description Material: Metal Color: As Picture Package Includes: 1 Piece Rear Sprocket、4 screws Features: The larger the number of teeth of the sprocket, the stronger the power, the smaller the number of teeth, the faster the speed. Note: 1. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement The sprocket gear underwent heat treatment to enhance resilience against wear and tear. The sprocket is more wear resistant and more suitable for driving on rough mountain roads. This material will also help minimize wear and tear from climbing uphill Review: great sprockett - mounted right up to my ssr125 no problems, the only thing is i wish the bolts was slightly shorter, but a angle grinder fixed that issue. Review: Perfect to get 50mph out of the X1 Spark and similar emotos 60v+ - This fits the emoto rims great! Make sure you get the appropriate sproket for the rim. ## Features - Fittment：This is a replacement motorcycle or dirt bike sprocket is compatible with Chinese 50 70 90 110 125 140cc 150 160 170 Cc Apollo RFZ CRF50 XR50 SDG IMR SSR YCF Kayo Thumpstar Coolster Pit Dirt Motor Bike Motorcycle - Materials：We pride ourselves on the quality at which we produce this rear dirt bike sprocket. The sprocket gear itself is made from high-quality 45# steel, with excellent corrosion resistance and then heat-treated for a harder, stronger, and longer-lasting composition - Highly Efficient: The chain sprocket is precision engineered to provide excellent chain grip. This helps drive efficiency so your motorcycle chain stays stable and consistent as you ride - Features：The Sprocket helps reduce friction when the chain turns on the sprocket teeth. This helps prevent premature chain wear and prolongs its lifespan - Size：This motorbike sprocket kit compatible with a chain size of 420, pitch of 1/2", roller width of 1/4", roller diameter of 5/16" ,the sprocket thickness is 6mm/0.239",the inside diameter 76mm(3"), the minimum hole diameter is 9mm(5/16"),we also provide 4 screws ## Technical Specifications | Specification | Value | |---------------|-------| | Customer Reviews | 4.5 out of 5 stars 188 Reviews | ## Images ![RUTU 420 Chain Sprocket Rear Sprocket 45 Tooth 76mm - Image 1](https://m.media-amazon.com/images/I/71gLwOuwqML.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ great sprockett *by Z***L on 2 November 2025* mounted right up to my ssr125 no problems, the only thing is i wish the bolts was slightly shorter, but a angle grinder fixed that issue. ### ⭐⭐⭐⭐⭐ Perfect to get 50mph out of the X1 Spark and similar emotos 60v+ *by T***D on 13 February 2026* This fits the emoto rims great! Make sure you get the appropriate sproket for the rim. ### ⭐⭐⭐⭐⭐ Good job *by A***A on 14 May 2026* Fits perfect and works well!Made to last Good Job 👍🏽 ## Frequently Bought Together - RUTU 420 Chain Sprocket Rear Sprocket 45 Tooth 76mm for Chinese 50 70 90 110 125 140cc 150 160 170 Cc Apollo RFZ CRF50 XR50 SDG IMR SSR YCF Kayo Thumpstar Coolster Pit Dirt Motor Bike Motorcycle - MRELC 420 12T 17mm Motorcycle Front Engine Sprocket Compatible with 125 140 150 160cc Honda TaoTao Loncin Roketa Coolster Sunl Lifan Chinese ATV Quad Dirt Bike - YOXUFA 420 Motorcycle Chain 132 Links for 50 70 90 110 125cc SSR TaoTao Coolster Apollo Baja Kazuma Chinese ATV 4 Wheeler Quad Pit Dirt Bike 212cc Go Kart Mini Bike Powersports Parts W/Chain Breaker --- ## 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.hr/products/574886159-rutu-420-chain-sprocket-rear-sprocket-45-tooth-76mm](https://www.desertcart.hr/products/574886159-rutu-420-chain-sprocket-rear-sprocket-45-tooth-76mm) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-22*