High-Performance Crankshaft Assemblies & Connecting Rod Kits
Precision-engineered for Motocross, Dirt Bikes, ATV, and UTV – trusted by racers worldwide since 2000.
Explore ProductsThis page is not the official website. Generated by AI, does not constitute any advice. If needed, please click here to visit the corresponding official website.
Precision-engineered for Motocross, Dirt Bikes, ATV, and UTV – trusted by racers worldwide since 2000.
Explore ProductsECR Crankshaft, based in Jiangsu, China, has been manufacturing and exporting high-performance racing crankshafts since 2000. With over 20 years of experience, we specialize in the design, development, and production of crankshafts for motorcycles, motocross, dirt bikes, ATVs, and UTVs.
Our commitment to precision engineering and durability has made us a trusted name in the powersports industry. We combine advanced forging techniques with strict quality control to deliver components that exceed performance expectations.
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We combine decades of expertise with cutting-edge manufacturing to deliver unmatched quality and performance.
Over two decades of specialized crankshaft manufacturing and global export.
Crankshaft webs precision-machined for ultimate strength and durability.
Connecting rods undergo double forging for superior structural integrity.
Extensive product range covering major brands and custom applications.
High-performance crankshaft assemblies and connecting rod kits built for extreme conditions.
Polaris RZR800 Crankshaft Assembly
ATV & UTV
YFZ350 BANSHEE 87-06
Yamaha
CR250R 92-01
Honda
CR250R 02-07
Honda
YZ250 01-02
Yamaha
CRF450R 02-08
Honda
YZ80 93-01
Yamaha
YZ125 98-00
Yamaha
Tailored for specific engine builds
Custom
Double-forged for maximum strength
UniversalBalanced to perform flawlessly at extreme engine speeds.
Forged from high-grade steel with heat-treated journals.
Machined to OEM tolerances for seamless installation.
Optimized design improves torque and horsepower delivery.
Includes bearings, seals, and hardware for full replacement.
Exported to over 50 countries with reliable logistics.
Our crankshafts are precision-machined from forged billet steel, heat-treated for durability, and balanced to exacting standards. With over 20 years of experience, we focus exclusively on high-performance applications.
Yes, we specialize in customized crankshaft and connecting rod kits for unique engine builds. Contact us with your specifications for a quote.
All ECR crankshaft assemblies are designed to meet or exceed OEM specifications for fit, form, and function.
Delivery times vary by destination. Most international orders arrive within 7–14 business days via express courier.
Yes, our engineering team offers technical assistance for installation and application questions.
For inquiries, technical support, or custom orders, visit our official website to contact ECR Crankshaft.
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