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Jimi Gearbox Main Shaft – Heavy-Duty Transmission Component for Royal Enfield Old Model Bullet (Cast Iron Engines)
Jimi Gearbox Main Shaft – Heavy-Duty Transmission Component for Royal Enfield Old Model Bullet (Cast Iron Engines) - Image 2
Jimi Gearbox Main Shaft – Heavy-Duty Transmission Component for Royal Enfield Old Model Bullet (Cast Iron Engines) - Image 3
Jimi Gearbox Main Shaft – Heavy-Duty Transmission Component for Royal Enfield Old Model Bullet (Cast Iron Engines) - Image 4
Jimi Gearbox Main Shaft – Heavy-Duty Transmission Component for Royal Enfield Old Model Bullet (Cast Iron Engines) - Image 5
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Jimi Gearbox Main Shaft – Heavy-Duty Transmission Component for Royal Enfield Old Model Bullet (Cast Iron Engines)

Original price was: ₹876.Current price is: ₹800. inclusive of all taxes

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Product Description

Restore the structural integrity of your classic transmission with the Jimi Gearbox Main Shaft. This shaft is critical for riders experiencing gear jumping, excessive vibration, or internal gearbox noise.

As shown in the product images, the shaft features precision-cut spiral oil grooves designed to ensure constant lubrication to the sliding gears, reducing friction and heat buildup during long rides. The splines and threaded ends are machined to exact OEM tolerances, ensuring a perfect fit with the clutch assembly and internal gear clusters of the vintage 4-speed right-shift transmission. Built from high-grade hardened steel, it offers the durability required to handle the torque of the legendary cast iron engine.

Key Features:

  • Enhanced Lubrication: Features specialized spiral grooves for superior oil distribution across the shaft surface.

  • Hardened Steel Construction: Engineered to resist bending, shearing, and spline wear under heavy mechanical loads.

  • Exact OEM Dimensions: Ensures seamless compatibility with original gear clusters and bearings.

  • Precision Threading: High-quality threads at both ends for secure fastening of the clutch and sprocket interfaces.

  • Professional Grade: Manufactured by Kalsi Engineering, a trusted name in vintage motorcycle transmission parts.

Technical Specifications:

  • Brand: Jimi (Kalsi Engineering Company)

  • Part Type: Gearbox Main Shaft

  • Application: Royal Enfield Bullet (Old Model / Cast Iron)

  • Net Quantity: 1 Piece

Bike Compatibility

Specifically designed for vintage Royal Enfield models with the traditional 4-speed gearbox:

  • Royal Enfield Standard 350 (Cast Iron)

  • Royal Enfield Standard 500 (Cast Iron)

  • Royal Enfield Machismo 350

  • Royal Enfield Electra (Early 4-speed Cast Iron models)

Return & Replacement Policy

Return & Replacement Policy

General Policy: Please note that a replacement request will only be accepted after our technical team verifies that the claim is eligible according to our terms and conditions. We reserve the right to accept or reject any request that does not meet our quality and safety standards.

Important Notice: We do not offer direct returns or immediate refunds. All requests must first be processed as a Replacement. A refund will only be initiated if the required replacement part is currently out of stock.

1. Replacement Window

  • You may request a replacement within 3 to 5 days of delivery.

  • Requests made after this 5-day window will not be eligible for return or exchange.

2. Eligibility for Replacement

A request is valid only if:

  • The item is in its original packaging and in brand-new condition.

  • The item shows no signs of installation, scratches, or grease.

  • All tags, labels, and accessories are included in the return box.

  • Electronics/Sensors: These items are eligible for replacement only in the case of a verified manufacturing defect.

3. Mandatory Unboxing Video

  • We strictly mandate that customers record a continuous unboxing video while opening the parcel.

  • Claims for “Damage in Transit” or “Missing Parts” will not be processed without a clear, unedited unboxing video.

4. Non-Returnable Items

  • Custom Orders: Parts specifically manufactured or managed on a per-order basis.

  • Handling Damage: Items damaged during a failed installation attempt or due to incorrect handling.

5. Shipping & Reverse Pickup Rules

  • Our Error: Free reverse pickup is provided only if the mistake is on our side (Wrong item sent or Damage in transit).

  • Customer Error: If a replacement is requested due to a customer error (e.g., ordering the wrong model), the customer is responsible for both return and forward shipping charges.

6. Fitment & Compatibility Verification

  • In case of fitment issues, we may request a photo of your motorcycle or scooter to verify the part’s compatibility before processing a replacement.

7. Refund Process

  • Once we receive the returned item, our team will perform a Quality Check.

  • After passing the check, if a replacement is out of stock, your refund will be processed within 1-2 working days to your original payment method.

  • Note: Shipping charges are non-refundable if the return is due to customer error.

8. How to Request a Replacement

  • WhatsApp: +91 95557 98738

  • Email: eazonline01@gmail.com

  • Website: My Account > Orders > Request Return

    Please upload your unboxing video to Google Drive or YouTube and paste the shareable link here. Make sure the link is set to "Anyone with the link can view".
    Please send the high-quality photos and unboxing video of the product to our official WhatsApp: +91 9555798738 . Mention your Order ID in the chat.

Cancellation Policy

1. Order Cancellation Window:

  • You can cancel your order within 4 to 5 hours of placing it.

  • Once the order is processed or the status changes to “Packed/Shipped,” the Cancel button will automatically be disabled.

2. Cancellation After Processing:

  • If you wish to cancel the order after the 5-hour window or after the tracking details have been updated, a Processing Fee will be applicable.

  • This fee covers the cost of packaging material and administrative efforts already spent on your order.

3. Cancellation Before Processing:

  • You can cancel your order free of charge as long as the order status is “Pending”.

  • Once our team starts working on your order and the status changes to “Processing” or “Packed”, the cancellation option will be disabled.

4. How to Cancel:

  • You can cancel directly from the “My Account > Orders” section on our website.

  • If the button is not visible, it means your order has already been processed for shipping.

Weight 0.7 kg
Dimensions 25 × 10 × 10 cm

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Jimi Gearbox Main Shaft – Heavy-Duty Transmission Component for Royal Enfield Old Model Bullet (Cast Iron Engines)Jimi Gearbox Main Shaft – Heavy-Duty Transmission Component for Royal Enfield Old Model Bullet (Cast Iron Engines)
Original price was: ₹876.Current price is: ₹800. inclusive of all taxes
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