Precision-Engineered Crank Shaft for 2-Stroke 47cc/49cc Pocket Bikes
High-grade alloy steel construction ensures exceptional durability under extreme RPM loads. CNC-machined for micrometer-level balance, reducing vibration and extending engine life. Direct replacement part with OEM-fit compatibility for hassle-free installation. Optimized for high-performance 2-stroke engines in pocket bikes, mini motorcycles, and gas-powered scooters. Heat-treated surface resists wear from continuous friction. Mirror-polished journals minimize oil friction for smoother power delivery. Ideal for racing enthusiasts and DIY mechanics seeking reliable upgrades or replacements. Bulk purchase available for commercial repair shops at wholesale rates. Ships globally with industry-leading logistics support.
Note:
Compatible with most 47cc/49cc horizontal engine models. Verify specifications before installation.