About
AiFitting is a free, browser-based AI bike fitting service designed to deliver professional-grade cycling posture analysis without the need for an in-person fitting session. Users simply upload a video of themselves riding, and the platform's AI engine processes it in real time to generate a comprehensive biomechanical report. The tool supports three primary riding disciplines — Road Cycling, Mountain Biking, and Triathlon — each with position-specific analysis optimized for the unique demands of that style. Core capabilities include real-time pose detection with millisecond response times, a 3D skeletal animation overlay that visualizes body alignment dynamically, and detailed joint angle reports covering key metrics like knee flexion, hip angle, and torso lean. Based on the analysis, AiFitting delivers AI-powered, personalized corrective suggestions and actionable plans to help cyclists fine-tune saddle height, handlebar reach, cleat position, and overall body mechanics. This makes it a powerful tool for injury prevention, performance optimization, and equipment setup. AiFitting is ideal for amateur and competitive cyclists, triathletes, and coaches who want an accessible, data-driven alternative to expensive in-person bike fits. The high-precision detection and professional reporting make it suitable for both self-coached athletes and those working with remote coaches.
Key Features
- Real-Time Pose Analysis: Processes uploaded riding videos with millisecond response times to detect body posture and alignment with high precision.
- 3D Skeletal Animation Overlay: Generates a dynamic 3D skeletal visualization mapped onto your riding video for clear biomechanical feedback.
- Joint Angle Reports: Provides detailed measurements of key joint angles such as knee flexion, hip angle, and torso position for in-depth biomechanics analysis.
- Personalized Corrective Suggestions: Delivers AI-generated, position-specific recommendations to improve posture, boost performance, and reduce injury risk.
- Multi-Discipline Support: Supports Road Cycling, Mountain Biking, and Triathlon riding positions, each analyzed with discipline-specific criteria.
Use Cases
- A recreational cyclist uploads a side-view video to optimize saddle height and reduce knee pain during long rides.
- A triathlete uses AiFitting to fine-tune their aerodynamic position and maximize power output for race day.
- A mountain biker analyzes their riding posture to improve body positioning and control on technical terrain.
- A remote cycling coach uses AiFitting to review client videos and send data-backed fitting recommendations without in-person sessions.
- A beginner cyclist uses the tool to learn proper riding mechanics and set up their new bike correctly from the start.
Pros
- Completely Free: Offers professional-level bike fitting analysis at no cost, making it accessible to all cyclists regardless of budget.
- No In-Person Appointment Needed: Users can perform a thorough bike fit from home simply by uploading a video, removing geographic and scheduling barriers.
- Data-Driven Precision: Provides quantitative joint angle data and skeletal tracking that rivals traditional in-person fitting methods.
Cons
- Video Quality Dependency: Accuracy of the analysis depends on the quality and angle of the uploaded video, which may require specific setup conditions.
- No Real-Time Live Camera Feed: The tool requires a pre-recorded video upload rather than supporting live webcam streaming for instant on-bike feedback.
- Limited to Cycling Use Case: The tool is purpose-built for cycling posture and cannot be applied to other sports or general fitness assessments.
Frequently Asked Questions
Is AiFitting really free to use?
Yes, AiFitting is completely free. You can upload a video and receive a full posture analysis, joint angle report, and corrective suggestions at no cost.
What riding disciplines does AiFitting support?
AiFitting supports three riding disciplines: Road Cycling, Mountain Biking, and Triathlon. Each mode applies position-specific biomechanical criteria for the analysis.
How do I use AiFitting?
Simply record a video of yourself riding your bike from a side angle, upload it to the AiFitting platform, select your riding discipline, and the AI will analyze your posture and generate a report.
What does the joint angle report include?
The joint angle report provides precise angular measurements of key body joints such as the knee, hip, and torso while riding, helping identify biomechanical inefficiencies or imbalances.
Can AiFitting help prevent cycling injuries?
Yes. By identifying poor posture and suboptimal joint angles, AiFitting provides personalized corrective suggestions that can address common overuse injury contributors like saddle height or knee tracking issues.
