Bicycle Internal Cable Routing Head Badge and Guides
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Externally located bicycle cables are prone to damage, increase aerodynamic drag, and are not aesthetically pleasing.
Innovation Solution
An internal cable routing system for bicycles that includes a cable routing head badge and guides to minimize contact between the cables and the frame, routing cables through the interior of the bicycle frame while allowing external portions to maintain functionality and aesthetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If cables are routed externally on the bicycle frame, then cable accessibility and installation are easier, but cables are susceptible to damage, increase aerodynamic drag, and are not aesthetically pleasing
Solution Approach 1:
The cable routing system nests cables within the bicycle frame structure by integrating cable guides and routing channels into the frame's head tube and junction areas. The head badge with integrated cable guides embeds the cable path within the frame's aesthetic and structural elements, effectively hiding cables inside the frame geometry while maintaining accessibility at key points.
Solution Approach 2:
Cable guides and routing channels act as intermediary elements between the external cable ends and the internal frame structure. These intermediaries channel cables through protected paths within the frame, reducing direct exposure to environmental damage while maintaining cable functionality and tension adjustment capability.
2Ease of operation
If cables are routed externally on the bicycle frame, then cable adjustment and maintenance are easier, but cables increase aerodynamic drag and cause vibration noise
Solution Approach 1:
The cable routing system implements different cable exposure qualities at different locations: cables are hidden within the frame structure in high-drag areas (down tube, head tube), while maintaining localized accessibility points for adjustment. The head badge integration provides a localized access point that maintains operational ease while minimizing overall external cable exposure.
Solution Approach 2:
The system transitions cable routing from a two-dimensional external surface path to a three-dimensional internal frame pathway. By utilizing the frame's internal volume and structural depth, cables are routed through the frame's thickness rather than along its external surface, reducing aerodynamic drag and vibration while maintaining access capability.
3Reliability
If cables are routed internally through the bicycle frame, then cable protection and aesthetics are improved, but cable routing complexity and contact with frame increase
Solution Approach 1:
The cable routing system merges cable guides, routing channels, and frame aesthetic elements into integrated components. The head badge combines branding, cable guidance, and structural support functions. Cable routing channels are integrated into frame junctions rather than being separate additions, reducing overall system complexity while achieving internal cable protection.
Data Source
AI summary
An internal cable system for a bicycle is disclosed herein. The system is configured such that vibration between one or more cables and a bicycle frame is reduced. As such, riders are able to navigate through rugged terrain without experiencing increased noise due to internal cable vibration against the bicycle frame.