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Description
SwissStop Catalyst disc rotor development. In early 2015, the SwissStop engineering team conducted a series of laboratory tests on bicycle brake disc rotors. Next, they created digital models of these rotors and simulated the same test environments using advanced software. A comparison of the data verified that the simulations were accurate and effective, giving the engineers confidence to proceed with creating an array of digital prototypes to thoroughly test and evaluate.
Heat transfer within the design concepts was studied extensively using engineering simulation software. The relationships between convection, radiation, surface area and weight were used to determine the optimal design to maximize heat dissipation and strength while minimizing weight. The structure of each design was evaluated under braking forces ranging from typical hand pressure up to theoretical maximums. Critical pressure points in the structure were identified in order to maximize the strength and stiffness of the rotor.
Computational fluid dynamics (CFD) simulations were performed to study airflow over the surface of the rotor and through the cut-outs. A variety of profiles were tested to determine the effects of asymetrical holes and optimize the cooling effect of airflow over the surfaces. Thermodynamic simulations, structural analysis and fluid dynamic visualizations were conducted in collaboration with the Institute for Energy Technology at HSR University of Applied Science.
The final design was confirmed and visualized with further thermal and structural simulations. A two piece design consisting of a 7075-T6 aluminum alloy spider and SUS410 stainless steel brake track was chosen to balance light weight with reliable thermal management and structural performance. Vibrations are minimized by the geometry of the brake pad contact area.
Main features:
- Power and durability: powerful braking and high durability, available in five sizes for applications including road, cyclocross, cross country, downhill and e-bike.
- Accepted by the UCI for road competition: the perimeter edge of the Catalyst brake rotor does not contain any 90 degree edges.
- Wear out indicators: small divots on the surface show when it is time to replace the rotor.
Features:
- Compatible with all sintered and organic pad compounds.
- Optimized for SwissStop EXOTherm2 and SwissStop Disc RS.
- Optimum heat dissipation.
- Reliable performance from cyclocross to downhill.
- High durability, even in the toughest conditions.
- Brake mount: Centerlock.
- Two piece design.
- Materials: 7075-T6 aluminum alloy spider; SUS410 stainless steel brake track.
Specifications:
| Diameter (mm) | Thickness (mm) | Weight (g) | Reference | EAN |
|---|---|---|---|---|
| 140 | 1.85 | 123 | P100005612 | 7640121223808 |
| 160 | 1.80 | 138 | P100005493 | 7640121223761 |
| 180 | 1.90 | 173 | P100005494 | 7640121223778 |
| 203 | 1.95 | 214 | P100005708 | 7640121223983 |
| 220 | 1.95 | 255 | P100006045 | 7640121224195 |
MORE INFORMATION
Features
| Brake Mount | CenterLock |
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