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CeramicSpeed 61903-2RSF/HC5 Bearing

101274
₹14,200
Type

Premium Low-Friction Bearing for High-Performance Cycling

Description

The CeramicSpeed 61903-2RSF/HC5 Bearing delivers extremely low friction, improved power transfer and a lifespan up to five times longer than standard bearings. It is the ideal upgrade for cyclists seeking high-performance rotational efficiency across all disciplines.

Premium Grade 3 Silicon Nitride Balls: The bearing uses CeramicSpeed’s ultra-smooth Grade 3 Silicon Nitride balls, matched within microns to hardened steel raceways polished to an exceptionally smooth groove. This combination dramatically reduces rolling resistance and enhances overall drivetrain efficiency.

Optimized With Low-Viscosity Blue Grease:CeramicSpeed’s proprietary Blue Grease minimises friction while extending bearing life, maintaining peak performance over thousands of kilometres. Non-contact seals protect the internals from dirt and moisture, making the bearing suitable for Road, TT, Triathlon, Track, Cross and MTB.

Superior Strength and Smoothness Over Steel Bearings: CeramicSpeed balls are 400% smoother, 128% harder and 58% lighter than traditional steel balls found in standard bicycle bearings. This translates into faster acceleration, reduced energy loss and significantly improved durability under high load.

Outperforms Other Ceramic Bearings: Compared with other ceramic balls in the cycling industry, CeramicSpeed balls are 15% harder, capable of handling 99% higher loads and 100% smoother. These advantages ensure unmatched stability and long-term performance across demanding riding conditions.

With its exceptional smoothness, long service life and proven efficiency gains, the 61903-2RSF/HC5 Bearing gives riders a tangible performance edge.

Features
  • Ultra-Low Friction Performance: Delivers smoother rotation, improved power transfer and up to five times the lifespan of standard bearings.
  • Hand-Built Precision: Assembled manually in Denmark, with four quality checks ensuring perfect alignment and flawless operation.
  • Grade 3 Silicon Nitride Balls: Ultra-smooth ceramic balls paired with hardened, polished raceways for exceptional durability and efficiency.
  • Optimized Blue Grease Formula: Low-viscosity Blue Grease reduces resistance while extending longevity across all weather conditions.
  • Superior Strength & Smoothness: Balls are 400% smoother, 128% harder and 58% lighter than steel, resulting in faster acceleration and reduced wear.
  • Outperforms Other Ceramic Options: 15% harder and 100% smoother than other ceramic balls, offering unmatched load capacity and long-term performance.
  • Versatile Across Disciplines: Performs reliably for Road, TT, Triathlon, Track, CX and MTB, giving riders maximum efficiency everywhere.

Specifications
  • SKU: 101274
  • Finish: Standard
  • Width: 7.0
  • Inside Diameter: 17.0
  • Outside Diameter: 30.0
  • Net Weight: 13.85 g
  • Gross Weight: 15 g

Shipping Policy

We ship across India with free shipping on orders above ₹2,000 (₹99 for orders below ₹2,000). Cash on Delivery is available up to ₹20,000, with additional COD fees based on order value. Orders typically arrive within 3–6 working days, though delays may occur.

Note: Most Shimano products may take longer to ship. View full shipping policy

Returns & Refunds

Here's a quick overview of our return and refund policy:

  • 7-Day Return Window: You can initiate a return within 7 days of receiving your product.
  • Eligibility: Items must be unused, in original condition, with all tags and packaging. Only select items like apparel (helmets, jerseys, gloves, etc.) are eligible.
  • Non-Returnable Items: Wetsuits and items discounted over 5% are not eligible for returns.
  • Compatibility Issues: Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. If you're unsure, please contact us before ordering.
  • Shipping & Processing: Return shipping is to be arranged by the customer. No pickups available.
  • Refund Options: Choose between exchange, store credit, or monetary refund (after deductions for shipping and transaction fees).
  • Order Cancellations: Only possible before the order is processed.

For full details, visit our Return & Refund Policy page.

CeramicSpeed

CeramicSpeed 61903-2RSF/HC5 Bearing

₹14,200

Type

  • Standard

Type

Bearing

Specifications

  • SKU: 101274
  • Finish: Standard
  • Width: 7.0
  • Inside Diameter: 17.0
  • Outside Diameter: 30.0
  • Net Weight: 13.85 g
  • Gross Weight: 15 g

Features

  • Ultra-Low Friction Performance: Delivers smoother rotation, improved power transfer and up to five times the lifespan of standard bearings.
  • Hand-Built Precision: Assembled manually in Denmark, with four quality checks ensuring perfect alignment and flawless operation.
  • Grade 3 Silicon Nitride Balls: Ultra-smooth ceramic balls paired with hardened, polished raceways for exceptional durability and efficiency.
  • Optimized Blue Grease Formula: Low-viscosity Blue Grease reduces resistance while extending longevity across all weather conditions.
  • Superior Strength & Smoothness: Balls are 400% smoother, 128% harder and 58% lighter than steel, resulting in faster acceleration and reduced wear.
  • Outperforms Other Ceramic Options: 15% harder and 100% smoother than other ceramic balls, offering unmatched load capacity and long-term performance.
  • Versatile Across Disciplines: Performs reliably for Road, TT, Triathlon, Track, CX and MTB, giving riders maximum efficiency everywhere.

The CeramicSpeed 61903-2RSF/HC5 Bearing delivers extremely low friction, improved power transfer and a lifespan up to five times longer than standard bearings. It is the ideal upgrade for cyclists seeking high-performance rotational efficiency across all disciplines.

Premium Grade 3 Silicon Nitride Balls: The bearing uses CeramicSpeed’s ultra-smooth Grade 3 Silicon Nitride balls, matched within microns to hardened steel raceways polished to an exceptionally smooth groove. This combination dramatically reduces rolling resistance and enhances overall drivetrain efficiency.

Optimized With Low-Viscosity Blue Grease:CeramicSpeed’s proprietary Blue Grease minimises friction while extending bearing life, maintaining peak performance over thousands of kilometres. Non-contact seals protect the internals from dirt and moisture, making the bearing suitable for Road, TT, Triathlon, Track, Cross and MTB.

Superior Strength and Smoothness Over Steel Bearings: CeramicSpeed balls are 400% smoother, 128% harder and 58% lighter than traditional steel balls found in standard bicycle bearings. This translates into faster acceleration, reduced energy loss and significantly improved durability under high load.

Outperforms Other Ceramic Bearings: Compared with other ceramic balls in the cycling industry, CeramicSpeed balls are 15% harder, capable of handling 99% higher loads and 100% smoother. These advantages ensure unmatched stability and long-term performance across demanding riding conditions.

With its exceptional smoothness, long service life and proven efficiency gains, the 61903-2RSF/HC5 Bearing gives riders a tangible performance edge.

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