The Jimi Gear Shaft is manufactured using advanced CNC machining and induction hardening to provide the high tensile strength required for the heavy low-end torque of vintage Bullet engines. These shafts are precision-ground to a tolerance of 0.01 mm, ensuring smooth gear transitions and reduced mechanical noise within the transmission box.
Designed to withstand extreme operating conditions, each shaft features an anti-rust oil coating and is engineered to maintain structural integrity at temperatures up to 130°C.
Key Features:
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Advanced Metallurgy: Manufactured from high-grade alloy steel (or stainless steel variants) with case hardening for superior load-bearing capacity.
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Low Noise Performance: Precision grinding and polishing of the surface result in quieter gear shifts and reduced internal vibration.
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Corrosion Resistance: Treated with a rust-proof finish to prevent premature wear, especially in humid or coastal environments.
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High Dimensional Accuracy: The strict 0.01 mm manufacturing tolerance ensures perfect mesh with existing gearbox cluster gears.
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Versatile Lubrication: Compatible with both grease and heavy-duty gear oil systems used in older Royal Enfield gearboxes.
Specifications:
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Compatibility: Royal Enfield Bullet 350 (Cast Iron), Standard 500, Machismo, and Old Electra models.
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Weight: Ranges from 2.1 kg to 4.8 kg depending on whether it is a main shaft or a sub-assembly.
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Surface Finish: Precision Ground & Polished.
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Process: CNC Machined & Induction Hardened











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