BBB DiscStop Brake Pads - BBS-39S
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eBayBBB DiscStop Avid/Sram XO Trail Disc Pads Sintered Copper BBS-39S
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Product Information
Full details
The BBB DiscStop BBS-39S brake pads are designed for mountain bikers and downhill riders who require reliable, high-performance stopping power in varied weather conditions. These sintered pads excel in high-speed, demanding environments by providing consistent friction and durability, though users should note that they are specifically engineered for compatibility with SRAM and Avid XO Trail systems rather than universal fitment.
All features
| Material | Satin |
|---|---|
| Series | DiscStop |
| Model Part Number | BBS-39S |
| Brand | BBB |
Extended Product Information
FAQs
Are these pads compatible with Shimano brakes?
No, the BBS-39S series is specifically engineered for SRAM and Avid XO Trail systems.
Do I need to bed these pads in?
While the pads come pre-sanded for immediate performance, it is recommended to perform a few moderate stops to ensure optimal alignment with your rotors.
How many pads are included in a pack?
Each package includes one pair of pads and the required return springs, enough for one brake caliper.
Are these better than organic pads?
Sintered pads like the BBS-39S are generally more durable and perform better in wet/muddy conditions compared to organic pads, though they may produce more noise.
Can I use these on carbon fiber rotors?
These pads are intended for standard steel disc brake rotors. Check your rotor manufacturer's specifications before use.
Troubleshooting
Brake pads are squealing during use
Clean the disc rotor with isopropyl alcohol and check for any residual oil or contamination on the pad surface.
Rubbing sound while riding
Check that the pistons are fully retracted and the caliper is centered correctly over the rotor.
Reduced stopping power
Check for pad wear; if the friction material is thinner than 0.5mm, replace the pads immediately.
Pros and Cons
Pros
- Excellent stopping power in wet and muddy conditions
- High heat resistance for downhill and aggressive trail riding
- Pre-sanded finish allows for immediate use
- Durable sintered material extends pad lifespan
- Complete kit includes essential return springs
Cons
- Limited compatibility restricted to specific SRAM and Avid systems
- Sintered pads can be noisier than organic alternatives
- Can be more abrasive to rotors compared to softer compounds
Setup, Compatibility & Care
To install, remove your wheel and pull the old pads out after compressing the pistons back into the caliper body. Ensure the rotor is clean before installing the new BBS-39S pads. Always use the included new springs to ensure proper tension and pad return.
Compatibility: These pads are strictly designed for SRAM and Avid XO Trail systems. Verify your brake caliper model before purchase.
Care Tips: Avoid contaminating the pads with oil, grease, or cleaning agents, as this will significantly reduce stopping power. If you ride in muddy conditions, clean your rotors with isopropyl alcohol periodically to prevent noise and ensure smooth engagement.