The idea behind the integration
Traditionally, brake callipers are mounted radially on motorcycles. Two brackets protrude from the lower section of the fork, to which the brake calliper is attached with bolts. This system has proven itself over many years and has hardly been questioned. However, Hitachi Astemo, the company behind Showa and Nissin, sees potential for improvement.
The new system combines the lower part of the fork with the brake calliper in a single design. According to the manufacturers, the advantages are increased rigidity and improved heat dissipation. The transition between the fork and brake calliper offers more effective heat dissipation compared to conventional radial-mounted systems thanks to the larger material connection.
Technical details and advantages
The manufacturers emphasize the following advantages of the new system:
- increased stiffness
- The monolithic design makes the connection between the fork and brake caliper more stable, which could have a positive effect on braking performance.
- improved heat dissipation
- According to Showa and Nissin, the design reduces the temperature of the brake caliper by around 5%, as the heat is dissipated more efficiently via the larger material surface.
- weight saving
- The integrated system weighs around 200 grams less than a traditional radial-mounted brake caliper.
Possible challenges in practice
As promising as the advantages sound on paper, the innovations also raise some questions. As the brake calliper is firmly attached to the fork, maintenance, especially changing brake pads, could prove to be more difficult. Handling during servicing also remains a potential weak point that remains to be seen in practice.
Conclusion
The new fork/caliper combination from Showa and Nissin shows that even proven concepts such as radial caliper mounting can be further developed. However, whether the promised advantages actually outweigh the disadvantages in everyday use depends on practical application and long-term experience. It remains to be seen if and when this technology will find its way into production models.
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