25H Chain (138 Links) for 2-Stroke 47cc 49cc Pocket Bike, Mini ATV, & Scooter

Product Overview

Revitalize your mini-bike's performance with the High-Tensile 25H Drive Chain. Featuring 138 precision links, this chain is specifically engineered for the high-RPM requirements of 47cc and 49cc 2-stroke engines. Whether you are navigating a backyard track or cruising on a mini-chopper, this reinforced chain delivers a more direct and efficient power transfer. Designed to resist stretching and corrosion, it provides the durability needed to handle sudden acceleration and steep climbs, ensuring your ride stays smooth and reliable.

Product Compatibility

Component Type	Specification
Engine Type	2-Stroke (47cc, 49cc)
Vehicle Types	Pocket Rockets, Mini Dirt Bikes, ATVs, Quads, Gas Scooters
Style	Choppers, Mini Pit Bikes, Pocket Bikes
Chain Pitch	25H (High Tensile)
Fitment	Universal for most small 2-stroke Chinese-made drivetrains

Specifications

Feature	Details
Chain Size	25H
Link Count	138 Links (Total)
Folded Length	~17" (432mm)
Inner Link Width	5.23mm
Outer Link Width	7.5mm
Link Pitch/Length	11.3mm

Key Features

• Reinforced Tensile Strength: Made from high-quality steel that has been precision-machined and reinforced to significantly reduce the risk of breakage in high-stress cycling environments.
• Perfect Sprocket Bite: Every link is designed to mesh perfectly with your drive sprocket teeth, virtually eliminating chain jumping and slipping for a more controlled and smooth driving experience.
• Improved Acceleration & Climbing: By providing a more direct transfer of energy, this chain improves your vehicle's throttle response and climbing power, effectively "injecting new vitality" into your engine.
• All-Weather Corrosion Resistance: Features a specialized coating to resist rust and oxidation, ensuring stable operation even when riding in damp or outdoor environments.
• Optimized Efficiency: A fresh, high-quality chain reduces mechanical drag, which not only improves performance but can also lead to better fuel economy for your gas-powered mini bike.