Product Description
The 587504/D Rear Distance Piece (often referred to as the Disc Side Spacer) is a high-precision metal collar that slides onto the rear wheel axle. Its primary function is to lock the wheel in its exact lateral position, preventing “sideways play” and ensuring the brake disc remains perfectly centered within the caliper.
Manufactured from hardened structural steel, this spacer is designed to endure the extreme axial loads generated during tightening of the axle nut and the rotational friction of the wheel bearings. Over time, original spacers can develop grooves from dust seals or become pitted due to corrosion, which can lead to bearing failure or uneven brake pad wear. Replacing a worn distance piece is essential whenever you notice uneven wheel alignment or during a full rear-hub overhaul.
Key Features:
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Genuine OEM Fitment: 100% original Royal Enfield spare (PN: 587504/D) ensures factory-accurate wheel spacing.
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High-Load Durability: Constructed from heavy-duty steel to withstand high torque and road vibrations.
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Corrosion Resistant: Features a protective coating to resist rust and road salt, ensuring it doesn’t seize to the axle.
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Brake Alignment: Specifically sized for the disc-brake side to maintain a perfect 90-degree alignment between the disc and caliper.
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Smooth Surface Finish: Precision-ground edges prevent damage to wheel bearing seals and the axle shaft.
Technical Specifications:
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Part Number: 587504/D (also listed as PS587504 or 587504/B)
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Component Type: Wheel Spacer / Distance Piece
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Position: Rear Wheel (Disc Brake Side)
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Material: Hardened Steel
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Quantity: 1 Number
Vehicle Compatibility:
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Royal Enfield Himalayan 411 (BS3, BS4, BS6)
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Royal Enfield Scram 411
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Royal Enfield Classic 350 (New J-Series & late-model UCE with rear disc)
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Royal Enfield Meteor 350
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Note: This part is specific to models equipped with a Rear Disc Brake. Always verify your axle diameter before installation.











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