12/01/2019
When it comes to the stopping power of your bicycle, particularly with disc brake systems, the humble brake pad plays a crucial role. Often overlooked, these components are the frontline interface between your braking lever's intention and the wheel's rotation. This review delves into the performance and value proposition of semi-metallic disc brake pads, specifically those from DISCOBRAKES, and compares them to original equipment (OE) Tektro offerings, such as the A10.11 and its successor, the E10.11. If you're looking to understand the nuances of brake pad materials and their impact on your ride, then read on.
Understanding Brake Pad Materials
Brake pads are typically constructed from two main components: the friction material and the backing plate. The friction material is what actually makes contact with the brake rotor, generating the heat and force necessary for deceleration. The backing plate provides structural integrity and a mounting point for the brake caliper. The composition of the friction material is what largely dictates the pad's performance characteristics, including stopping power, durability, noise levels, and heat management. The two most common types you'll encounter are:
- Organic (Resin) Pads: These are made from a composite of fibres (like aramid or fibreglass) bonded together with resin. They offer excellent initial bite and quiet operation, making them ideal for casual riding and those prioritising comfort. However, they tend to wear faster, especially in wet or muddy conditions, and can suffer from 'brake fade' under prolonged high-heat situations.
- Semi-Metallic Pads: As the name suggests, these pads incorporate a blend of metallic particles (such as copper, steel, or iron) mixed with organic compounds. This composition offers a good balance between the quiet, powerful bite of organic pads and the durability of full metallic (sintered) pads. They generally provide better heat resistance and longevity than organic pads, albeit sometimes with a slight increase in noise and a slightly less aggressive initial grab.
- Sintered (Full Metallic) Pads: These are made by fusing metallic powders together at high temperatures. Sintered pads are renowned for their exceptional durability and superior performance in extreme conditions, including high heat and wet environments. They are the go-to choice for downhill mountain biking, enduro, and other demanding disciplines. The trade-offs are typically higher cost, potentially more rotor wear, and a tendency to be noisier.
Tektro Brake Pads: OE and Evolution
Tektro is a well-known manufacturer of bicycle braking systems, providing original equipment for a vast number of bikes. The A10.11 was an original equipment pad used on many models. However, it's important to note that Tektro themselves have informed users that the A10.11 is being replaced by the E10.11, which is a semi-metallic compound. This shift suggests a move towards materials that offer a better balance of performance and durability for a wider range of cycling applications. The A10.11, being a harder compound, was noted for its longer wear life but also a potential for increased noise. The availability of the harder A10.11 compound from Tektro has reportedly become limited, making aftermarket options more appealing for those seeking direct replacements.
DISCOBRAKES Semi-Metallic Pads: An Alternative
The product in question, the DISCOBRAKES Semi-Metallic pads, are presented as an alternative to Tektro's OE offerings. According to the manufacturer, these are semi-metallic pads designed to work with a range of Tektro brake models, including Orion, Aquila, Gemini, and Draco. The key question for any rider is whether these aftermarket pads can match or even exceed the performance of the original equipment, especially considering the price point.
Initial Performance and Bedding-In
A crucial aspect of any new brake pad's performance is the 'bedding-in' or 'burnishing' process. This is where the friction material on the pad mates with the surface of the brake rotor, creating an optimal contact patch. The DISCOBRAKES pads, like many others, require a short bedding-in period to achieve their best performance. This typically involves a series of moderate to firm braking actions from a moderate speed, allowing the pads and rotors to heat up and transfer a thin layer of friction material. Once properly bedded-in, these semi-metallic pads are reported to work well, offering a good level of stopping power.
Durability and Material Differences
When comparing the DISCOBRAKES pads with original Tektro pads, a physical measurement using a micrometer revealed that the Tektro pads (both the E10.11 and the older A10.11) were slightly thicker. This included both the wear material and the steel backing plate. While the difference was described as negligible, it's worth considering for riders who prioritise absolute maximum pad life. However, the primary focus for many will be the performance and longevity of the friction material itself. Semi-metallic compounds are generally favoured for their durability over organic pads, and the DISCOBRAKES offering aims to provide this benefit. Time will tell, as the reviewer noted, how these pads hold up to aggressive mountain bike use. For the price point, the DISCOBRAKES are considered a fine option, but their long-term resilience under demanding conditions remains to be fully evaluated.
Noise Considerations
The noise generated by disc brake pads can be a significant factor for rider comfort. Harder compounds, like the original Tektro A10.11, are often associated with a higher propensity for noise, especially under certain conditions. Semi-metallic pads, while generally quieter than full sintered pads, can sometimes produce more noise than organic pads. The DISCOBRAKES semi-metallic pads, once bedded-in, are reported to perform well, and the noise level is a factor that will likely be influenced by the specific rotor material, the cleanliness of the system, and riding conditions.
Value for Money
The pricing of aftermarket brake pads can vary considerably. If the DISCOBRAKES pads offer comparable performance and a reasonable lifespan at a lower cost than OE Tektro replacements or other premium brands, they can represent excellent value for money. For riders on a budget, or those who simply want a reliable replacement without breaking the bank, these pads could be an attractive proposition. The key is to find a balance between cost and reliable stopping power. For the price, the DISCOBRAKES are deemed 'fine', suggesting they meet basic expectations and offer a cost-effective solution.
Table: Tektro A10.11 vs. DISCOBRAKES Semi-Metallic
To summarise the key differences and similarities, consider the following comparison:
| Feature | Tektro A10.11 (Original) | DISCOBRAKES Semi-Metallic | Tektro E10.11 (Replacement) |
|---|---|---|---|
| Material Type | Harder Compound (Likely Organic/Semi-Metallic Blend) | Semi-Metallic | Semi-Metallic |
| Initial Bite | Moderate to Strong | Good (after bedding-in) | Good |
| Durability | High Wear Life | Expected to be Good (TBC for aggressive use) | Good |
| Noise Level | Potentially Higher | Moderate | Moderate |
| Heat Resistance | Moderate | Good | Good |
| Price | OE Pricing | Potentially Lower (Value Option) | OE Pricing |
| Availability | Limited | Good (Aftermarket) | Good (OE Replacement) |
Frequently Asked Questions (FAQs)
Q1: Do I need to bed in my new DISCOBRAKES pads?
A: Yes, all brake pads, including the DISCOBRAKES semi-metallic ones, benefit from a bedding-in process. This ensures optimal performance and longevity by allowing the friction material to properly mate with the brake rotor.
Q2: Are semi-metallic pads better than organic pads?
A: It depends on your riding style and priorities. Semi-metallic pads generally offer a better balance of durability, heat resistance, and stopping power compared to organic pads, though they can sometimes be noisier. Organic pads offer a quieter, sharper initial bite but wear faster and are more susceptible to heat fade.
Q3: Will these DISCOBRAKES pads fit my Tektro brakes?
A: The product listing indicates compatibility with Tektro Auriga, Orion, Aquila, Gemini, and Draco models. Always double-check your specific brake model to ensure correct fitment before purchasing.
Q4: How long should these pads last?
A: The lifespan of brake pads is highly dependent on riding conditions, frequency of use, and braking habits. Semi-metallic pads are known for good durability, but for aggressive mountain biking, it's advisable to monitor their wear closely.
Q5: Are DISCOBRAKES pads as good as Tektro's original pads?
A: For the price, the DISCOBRAKES pads are considered a fine option and perform well after bedding-in. While Tektro's OE pads might have slight differences in material thickness, the DISCOBRAKES offer a compelling value proposition. Long-term aggressive use will be the ultimate test of their comparative performance.
Conclusion: A Worthy Contender?
The DISCOBRAKES Semi-Metallic disc brake pads emerge as a promising aftermarket option for riders using compatible Tektro brake systems. They require a standard bedding-in procedure and, once this is complete, offer good performance. While potentially not identical in every physical dimension to original Tektro pads, their semi-metallic composition positions them well for a balance of durability and stopping power. For riders seeking a cost-effective replacement that doesn't compromise significantly on performance, these pads are certainly worth considering. The true measure of their worth will be in their longevity under varied and demanding riding conditions, a factor that keen cyclists will appreciate being monitored. For now, they represent a solid choice for reliable braking without the premium price tag.
If you want to read more articles similar to Disc Brake Pad Buyer's Guide, you can visit the Brakes category.