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Ashima Semi-Metal Pads - Sram/Avid BB5 - BB5

Ashima Semi-Metal Pads - Sram/Avid BB5 - BB5

The Ashima Semi-Metal Pads feature a hard-wearing compound specifically formulated to provide reli...

Best current price£14.99from Evans Cycles UK

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Evans Cycles UKAshima Semi-Metal Pads Sram/Avid Bb5 None
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FrasersAshima Semi-Metal Pads - Sram/Avid Bb5 - No Colour - NO SIZE
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Sports Direct UKAshima None Semi-Metal Pads - Sram/Avid Bb5, Sports Direct
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Product Information

Full details

The Ashima Semi-Metal Pads are an essential upgrade for mountain bikers and commuters using Avid BB5 or compatible Promax mechanical disc brakes who require consistent stopping power in adverse weather. Engineered with a durable semi-metal compound, these pads excel in wet, muddy, and unpredictable terrain by maintaining high friction across a wide temperature range; however, riders should note that the semi-metal construction may generate more noise than organic pads during initial bedding-in periods.

All features

SeriesBB5
Model Part Number4712831650571
BrandAshima

Extended Product Information

FAQs

Are these pads compatible with hydraulic brakes?

No, these specific pads are designed for mechanical calipers like the Avid BB5 and compatible Promax systems.

Do I need to replace the rotors when I change to semi-metal pads?

It is not required, provided your existing rotors are not worn below the minimum thickness specification.

How long do these pads typically last?

Longevity depends on riding style, weight, and weather. The semi-metal compound generally lasts significantly longer than organic pads in gritty conditions.

Is the installation difficult for a beginner?

The Avid BB5 system is very user-friendly; replacing pads is a straightforward process that requires only basic hand tools.

Can I use these for downhill racing?

While durable, these are optimized for trail and mechanical disc use. Ensure your rotor size is appropriate for your weight and terrain.

Troubleshooting

Brakes feel weak after installation

The pads likely need a bedding-in process. Perform 10-15 moderate speed stops to transfer pad material to the rotor.

Excessive squealing during use

Check for rotor contamination such as road grime or oil. Clean the rotor thoroughly with disc brake cleaner.

Pads rubbing against the rotor

Re-center the mechanical caliper by loosening the mounting bolts, squeezing the brake lever, and re-tightening.

Pros and Cons

Pros

  • Excellent durability in harsh, muddy conditions
  • Consistent friction levels in both high and low temperatures
  • Compatible with a wide array of popular budget disc brake calipers
  • Reliable stopping power for demanding off-road terrain

Cons

  • May produce more pad noise than organic compounds
  • Requires a break-in period to reach maximum performance
  • Not intended for pure weight-weenie builds

Setup, Compatibility & Care

Compatibility List:

  • Avid: BB5 Mechanical
  • Promax: DC-710, DC-720, DC-913
  • Promax: DSK-300, 300R, 310, 330R, 717, 717R, Render, Render R

Installation Tips:

  1. Always remove the wheel and carefully extract the old pads using the manufacturer's specified retention clip or screw.
  2. Clean the rotor surface with isopropyl alcohol to remove oil, grit, or debris before installing new pads.
  3. Gently push the pistons back into the caliper body using a clean plastic tire lever.
  4. Slide the new pads in, ensuring the retention spring is properly seated.

Care Instructions:

  • Avoid spraying lubricant or degreaser near the brake rotors.
  • If the brakes begin to squeal, wipe the rotors clean and check for contaminants.

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