Ashima Semi-Metal Brake Pads - L04C

The Ashima Semi-Metal Brake Pads in the L04C series are designed for exceptional braking performan...

Best current price£14.99from Evans Cycles UK

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Evans Cycles UKAshima Semi-Metal Pads Shimano Road Disc Brake L04c None
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FrasersAshima Semi-Metal Pads - Shimano Road Disc Brake L04c - No Colour - NO SIZE
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Sports Direct UKAshima None Semi-Metal Pads - Shimano Road Disc Brake L04c, Sports Direct
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Product Information

Full details

The Ashima Semi-Metal Brake Pads in the L04C series are engineered for cyclists demanding reliable, high-performance stopping power across diverse weather conditions. Designed for a wide range of road and gravel braking systems, these pads excel by offering a superior balance of durability and consistent friction, though they require a proper break-in period to achieve peak performance. With integrated cooling fins, these pads are an ideal upgrade for riders looking to reduce heat buildup during long descents or intensive riding sessions.

All features

SeriesL04C
Model Part Number4715517062675
BrandAshima

Extended Product Information

FAQs

Do I need to bed-in these pads?

Yes. A proper bed-in procedure is essential to ensure consistent friction and longevity.

Can I use these pads with any rotor?

They are designed for standard stainless steel rotors; however, always check your rotor's compatibility for semi-metal pads.

How do I know when to replace them?

Replace the pads when the friction material thickness drops below 0.5mm.

Are these pads compatible with Shimano 105 BR-R7070?

Yes, the L04C series is fully compatible with the 105 BR-R7070 flat mount caliper.

Are these pads suitable for mountain biking?

Yes, they are suitable for various disciplines including XC and gravel, provided your brake system is among the supported models.

Troubleshooting

Braking feels spongy or weak after installation

Ensure the system is properly bled to remove air bubbles and check that the pads are fully bedded-in against the rotor.

Excessive noise while braking

Verify the rotor is clean of oil or debris, and check that the pad alignment is perfectly parallel to the rotor surface.

Pros and Cons

Pros

  • Excellent braking consistency in all weather conditions
  • Heat-dissipating cooling fins prevent brake fade
  • High durability compared to organic alternatives
  • Reduces vibration and noise during operation
  • Compatible with many popular disc brake systems

Cons

  • Requires a break-in period for optimal performance
  • Potentially abrasive to older non-hardened rotors
  • Can be louder than resin pads during initial use

Setup, Compatibility & Care

Installation should be performed by removing the old pads and cleaning the caliper interior with isopropyl alcohol. Ensure the return spring is properly seated before inserting the new L04C pads. These are compatible with Shimano systems including XTR BR-M9100, Dura Ace BR-R9170, Ultegra BR-R8000/R8070, 105 BR-R7070, Tiagra BR-4770, and GRX BR-RX810/RX400. They also support Tektro HD-R350/R310 and REVER MCX1 Flat Mount calipers. Always perform a bed-in procedure: complete 20-30 controlled stops from moderate speed on a flat, safe surface to properly transfer pad material to the rotor.

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