--- product_id: 514000162 title: "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" brand: "rutu" price: "€ 41.99" currency: EUR in_stock: true url: https://www.desertcart.hr/products/514000162-rutu-420-chain-sprocket-rear-sprocket-45-tooth-76mm-chinese store_origin: HR region: Croatia --- # 45# Steel 420 Chain Size Heat-Treated 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 **Brand:** rutu **Price:** € 41.99 **Availability:** ✅ In Stock ## Summary > 🚀 Elevate Your Ride with RUTU's Sprocket Power! ## Quick Answers - **What is this?** 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 by rutu - **How much does it cost?** € 41.99 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/514000162-rutu-420-chain-sprocket-rear-sprocket-45-tooth-76mm-chinese) ## 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 - • **Complete Kit:** Includes 4 screws for easy installation, so you can hit the trails without delay. - • **Friction Fighter:** Reduces friction to prevent premature chain wear, extending the lifespan of your motorcycle chain. - • **Unmatched Durability:** Crafted from high-quality 45# steel, this sprocket is heat-treated for superior strength and longevity. - • **Precision Engineering:** Designed for optimal chain grip, ensuring a smooth and efficient ride every time. - • **Versatile Compatibility:** Fits a wide range of Chinese dirt bikes from 50cc to 170cc, making it the perfect upgrade for your ride. ## Overview The RUTU 420 Chain Sprocket is a high-performance rear sprocket designed for various Chinese dirt bikes, made from durable 45# steel and engineered for efficiency. With a 45-tooth configuration and precision design, it enhances chain stability and reduces wear, ensuring a longer-lasting ride. Compatible with multiple models, this sprocket comes with installation screws for a hassle-free upgrade. ## Description 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 ## 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 8mm(0.31"),we also provide 4 screws ## Images ![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 - Image 1](https://m.media-amazon.com/images/I/71gLwOuwqML.jpg) ## 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/514000162-rutu-420-chain-sprocket-rear-sprocket-45-tooth-76mm-chinese](https://www.desertcart.hr/products/514000162-rutu-420-chain-sprocket-rear-sprocket-45-tooth-76mm-chinese) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-04-23*