The Hero Rear Brake Drum For Hero Passion delivers superior rotational balance, unyielding radial payload support, and dependable rear drum brake stopping performance for your motorcycle or scooter. Engineered to exacting original equipment manufacturer standards, this heavy-duty die-cast aluminum rear wheel hub and brake drum assembly replaces cracked, wobbling, or heavily scored factory hubs, restoring smooth rear wheel tracking, true chain line alignment, and reliable brake lever feedback.
Workshop Guide & Diagnostic Standards for Hero Rear Brake Drum For Hero Passion
Equipping your vehicle with this precision-cast Rear Hub eliminates dangerous high-speed wheel wobble, stops rear brake pulsating chatter, and shields your transmission from shock lash caused by degraded cushion damper pockets.
1. High-Density ADC12 Die-Cast Aluminum Metallurgy & Radial Strength
Formed from premium ADC12 automotive aluminum alloy under high hydraulic die-casting pressure, this rear wheel hub provides an exceptionally rigid structural core free from internal porosity. It absorbs brutal road impacts, potholes, and heavy passenger weight without cracking, warping, or distorting under high radial loads.
2. Wear-Resistant Centrifugally Bonded Cast Iron Brake Drum Friction Sleeve
The internal brake drum cavity features an integrated centrifugally cast iron friction sleeve. Engineered with optimal thermal conductivity and friction coefficient, the drum resists heat glazing, high-temperature fade, and surface grooving, delivering consistent, grab-free stopping force in all weather conditions.
3. CNC Micrometer Precision Axle Bore & Sealed Bearing Seat Machining
Both axle passages and bearing seat bores are CNC machined to microscopic ISO IT6 dimensional tolerances. This interference-fit precision prevents outer bearing ring slippage or ovalization, ensuring that installed sealed deep-groove ball bearings rotate smoothly with zero radial or axial play.
4. Reinforced Sprocket Carrier Mounting Lugs & Drive Damper Pockets
Equipped with heavy-duty structural ribs, the internal cushion drive pockets securely house rubber damper blocks. This robust configuration dampens sudden engine torque spikes during abrupt clutch releases, protecting your drive chain, sprockets, and gearbox shafts from shock damage.
5. Superior Dynamic Rotational Balance & High-Speed Tracking Stability
Precision dynamic balancing of the raw casting eliminates rotational eccentricity. When laced to your spoke rim or bolted to your alloy wheel, the rear hub rotates true along the central axle centerline, preventing tire cupping, rear-end swaying, and high-speed chassis vibration.
6. Direct OEM Bolt-On Alignment & Factory Dimension Guarantee
Fabricated strictly to OEM factory blueprints, all spoke flange holes, brake shoe locating bosses, axle spacers, and chain adjuster mating surfaces align seamlessly with your bike’s original swing arm and brake panel assembly for straightforward bolt-on fitment.
7. Workshop Installation Protocols, Bearing Pressing & Torque Standards
Installation requires using a hydraulic bench press or bearing driver tool to seat new sealed bearings squarely into their boresu2014never strike bearings directly with a metal hammer. Ensure inner distance spacer collars are installed before pressing the second bearing, grease oil seal lips, and torque the rear axle nut strictly to OEM factory torque values.
Technical Specifications
| Specification Parameter | Engineering Standard |
|---|---|
| Hub Metallurgy | High-Density High-Pressure Die-Cast ADC12 Aluminum Alloy |
| Brake Drum Liner | Centrifugally Cast High-Carbon Gray Iron Friction Sleeve |
| Machining Tolerance | ISO IT6 Micrometer CNC Finished Bearing & Axle Bores |
| Drive Interface | Heavy-Duty Ribbed Damper Pockets for Rubber Cushions |
| Rotational Balancing | Dynamic Centrifugal Balanced for High-Speed Trueness |
| Mounting Compatibility | Direct OEM Fitment with Original Swing Arm & Axle |
Comprehensive Two-Wheeler Buyer Guide & Diagnostic Checklist
- Rear Wheel Side Wobble: If grasping your rear tire at the 3 and 9 o’clock positions reveals noticeable side-to-side play despite tight axle nuts, the bearing seats inside the aluminum hub have worn loose and wallowed out.
- Pulsating Brake Pedal / Shudder: Uneven drum liner wear or thermal warping creates an out-of-round oval drum that kicks the brake pedal back during deceleration. Replace the hub to restore smooth braking.
- Driveline Jerk on Acceleration: Worn or deformed internal cushion damper pockets cause excessive rotational play between the sprocket and the wheel, leading to loud clunks when opening the throttle.
- Visible Hub Cracks or Broken Spoke Flanges: Severe impacts from deep potholes can hairline-crack the spoke flange or center hub barrel. Riding on a cracked hub risks catastrophic wheel collapse.
Frequently Asked Questions: Hero Rear Brake Drum For Hero Passion
Q1: Does this rear wheel hub come with bearings installed?
This product is supplied as a precision machined hub casting. We recommend pressing in new OEM-grade sealed bearings during assembly.
Q2: Will this hub resolve rear brake noise and uneven stopping?
Yes. The fresh, unglazed cast iron drum sleeve provides a perfectly cylindrical, score-free friction surface for your brake shoes.
Q3: Is this hub compatible with my original swing arm and axle?
Yes. All dimensions, axle diameters, and brake backing plate locating lugs match original factory equipment specifications.
Q4: Do you deliver this product across India with free shipping?
Yes. Free shipping across India.
Technical Specifications & Vehicle Fitment
- Part / OEM Code: AUTOSS-HUB-065
- Compatible Two-Wheelers: REAR HUB
- Brand / Specification: Autoss OEM Replacement
Fitment & Shipping FAQs
Q: Which bike models fit HERO REAR BRAKE DRUM FOR HERO PASSION (AUTOSS-HUB-065)?
This HERO REAR BRAKE DRUM FOR HERO PASSION (Part/OEM Reference: AUTOSS-HUB-065) is designed for compatible fitment with REAR HUB. Please verify the mounting points and connector profile in the product photos before ordering.
Q: What is the catalog part number and brand for HERO REAR BRAKE DRUM FOR HERO PASSION?
The catalog reference code / MPN is AUTOSS-HUB-065 under Autoss OEM Replacement, supplied by Autoss.in (Elegant Innovations).
Q: What are the shipping timelines across India on Autoss.in?
All spare parts on Autoss.in are carefully packed and shipped pan-India through tracked courier partners including Delhivery, Xpressbees, and iCarry.
