Adjustable Motorcycle Toe Peg with Multi-Axis Rotation
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Solution Overview
Problem
Stock motorcycle foot controls often lack the necessary adjustability to fit riders of varying sizes and preferences, affecting riding position, balance, and performance.
Innovation Solution
An adjustable foot peg system that allows rotation and angular adjustment of the toe peg, secured by a clamping mechanism, enabling riders to customize the position and angle of foot pegs and toe pegs for optimal fit and operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If stock motorcycle foot controls are used, then the structure is simple and easy to manufacture, but the adjustability range is insufficient for riders of varying sizes
Solution Approach 1:
The foot control assembly is made dynamically adjustable through multiple degrees of freedom. The pivot bracket allows rotation about a vertical axis, the toe peg assembly rotates about a horizontal axis, and the foot peg assembly rotates about another horizontal axis. This dynamic adjustability enables riders of varying sizes to customize positions without increasing manufacturing complexity
Solution Approach 2:
The foot control system is segmented into independent adjustable components: the pivot bracket separate from the frame, the toe peg assembly separate from the pivot bracket, and the foot peg assembly separate from the toe peg assembly. Each segment can be independently positioned and locked, providing comprehensive adjustability while maintaining simple individual component structures
2Ease of operation
If fixed position foot controls are used, then the device complexity is low, but the rider cannot achieve optimal balance and control for their specific size
Solution Approach 1:
The foot control assemblies are designed to be easily adjusted and locked by the rider themselves without requiring tools or complex procedures. Quick-release mechanisms and simple locking systems enable the rider to independently customize the position for optimal balance and control, making the system self-serviceable
Solution Approach 2:
The system transitions from a static fixed position to a dynamic multi-axis adjustable position. The pivot bracket rotates vertically, the toe peg assembly rotates horizontally, and the foot peg assembly rotates horizontally, allowing the rider to achieve optimal ergonomic positioning for their specific body dimensions and riding style
3Adaptability or versatility
If multiple adjustment mechanisms are added to foot pegs, then the adaptability increases, but the reliability of the locking mechanism must be ensured under rider weight
Solution Approach 1:
The system uses multiple independent rotational joints with locking capability. The pivot bracket rotates about a vertical axis with locking, the toe peg assembly rotates about a horizontal axis with locking, and the foot peg assembly rotates about a horizontal axis with locking. This multi-axis dynamic adjustment maintains reliability at each stage
Solution Approach 2:
The adjustment and locking functions are segmented into separate stages at different locations. Each joint (pivot bracket, toe peg assembly, foot peg assembly) has its own independent locking mechanism, distributing the reliability requirement across multiple simple, proven locking points rather than one complex locking system
Data Source
AI summary
The adjustable toe peg allows a rider to adjust the toe peg position in two ways. First, the lever to which the toe peg attaches preferably includes a series of holes, about which the toe peg apparatus will rotate. Second, by placing the toe peg on a rotating member, which is held by a clamping force, the toe peg can be positioned at any angle.