The BIKEFITTING.COM 3D Light Motion Analyser is a professional-grade motion capture system engineered to deliver precision dynamic bike fitting. Capturing rider movement at 140 frames per pedal stroke, it gives trained fitters the real-time biomechanical data needed to optimise body angles, enhance performance, and reduce injury risk — all with a level of accuracy that video alone cannot achieve.

Highlights

• High-speed 3D motion capture at 140 frames per pedal stroke
• Integrated webcam with dual-side capability for full bilateral analysis
• Measures multiple key body angles dynamically whilst the rider pedals
• 3D system delivers greater accuracy than traditional 2D video fitting
• Full customisation for every riding position and discipline
• Supports performance optimisation and injury prevention
• Compatible with Fit Bike via a separate software package

3D Motion Analysis Technology

Unlike conventional 2D video capture, the 3D Light Motion Analyser places motion sensors at key points on the rider's body and records movement in three dimensions. This enables the fitter to detect subtle positional deviations — knee tracking, hip drop, shoulder alignment — that would otherwise go unnoticed. The integrated dual-side webcam means both left and right sides can be assessed simultaneously, streamlining the fitting workflow.

Dynamic Fit Workflow

The system is designed to complement a structured Dynamic Fit protocol. The fitter uses the real-time data feed to evaluate the effect of bike adjustments — saddle height, fore-aft position, cleat placement, handlebar reach — as changes are made, and iterates towards the rider's optimal position. A Dynamic Fit licence is required to operate the software.

Compatibility & Fit

The BIKEFITTING.COM 3D Light Motion Analyser is intended for professional bike fitting studios and specialist retailers. It is compatible with the BIKEFITTING.COM Fit Bike when paired with the appropriate software package. A Dynamic Fit licence is required for operation. Consult your local Shimano sales manager prior to purchase.