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Evans Cycles UK£12.99Visit shop Aztec Organic Shimano Flat Mount Brake Pads Tiagra/105/Ultegra/Grx Black
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Aztec Organic disc brake pads are designed for riders seeking reliable braking performance, especially in challenging UK weather conditions. These race-tested pads offer excellent stopping power and durability for everyday cycling, both on and off-road, serving as a direct replacement for many Shimano flat mount calipers. While they provide consistent performance, some users may find they wear slightly faster than harder compound options in extreme conditions.
| Series | Tiagra/105/Ultegra/GRX |
|---|---|
| Model Part Number | 5027726449802 |
| Brand | Aztec |
These pads are compatible with Shimano flat mount disc brake calipers using Shimano codes K03 and K04, including Tiagra, 105, Ultegra, Dura Ace, and GRX models. They will work with any standard disc brake rotor.
After installation, ride at a moderate speed and apply the brakes firmly (without locking the wheels) 10-20 times. This process helps the pad material transfer evenly to the rotor surface, ensuring optimal braking performance and longevity.
Organic pads (like these) offer quieter operation, better modulation, and excellent performance in wet conditions. Metallic pads tend to offer higher heat resistance and potentially longer life in very abrasive or extreme conditions, but can be noisier and less modulated.
Pad wear varies greatly depending on riding conditions, frequency, and braking style. Inspect your pads regularly and replace them when the friction material is worn down to approximately 1mm or less, or when you notice a significant decrease in braking power.
Yes, these Aztec Organic disc brake pads are designed to be compatible with all standard disc brake rotors.
Yes, disc brake pads are typically sold in pairs, enough to service one brake caliper. You will need two sets if replacing pads on both front and rear brakes.
Ensure the brake system is properly bled and the fluid level is adequate. Check that the pads are correctly seated and Bedded-in. Inspect rotors for contamination or excessive wear.
Contaminated pads or rotors can cause noise; clean them with isopropyl alcohol. Ensure the brake caliper is correctly aligned and the rotor is true. Bedding-in the pads properly can resolve some noise issues.
Check that the caliper is centered over the rotor and that the pistons are moving freely. Ensure the pad retaining clip is not obstructing pad movement. The brake system may need a bleed if fluid pressure is incorrect.
This can occur in very gritty or wet conditions, or if the brakes are used excessively (e.g., long descents without modulation). Ensure proper bedding-in and avoid prolonged heavy braking. Consider a metallic pad if you ride in extremely demanding conditions frequently.
Compatibility:
These pads are designed as direct replacements for Shimano hydraulic disc brake systems utilizing flat mount calipers. They are compatible with the following Shimano groupsets: Tiagra, 105, Ultegra, Dura Ace, and GRX. They specifically fit Shimano caliper codes K03 and K04. The pads are suitable for use with any standard disc brake rotor.
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