Published March 26, 2026 | Version v1
Technical note Open

11-Speed vs 12-Speed MTB Drivetrains: Efficiency, Friction Loss, and 5-Year Cost Analysis

Description

Physics-based analysis of drivetrain efficiency comparing 11 and 12-speed MTB systems. Applies Spicer and Lodge friction models, Monte Carlo simulation, and 5-year cost projection. Data shows <0.5% energy difference in real conditions. Published by BikeLab Studio, Trujillo, Peru.

Files

11 velocidades vs 12 velocidades en MTB_ análisis real de vatios, fricción y costo a 5 años _ BikeLab Studio.pdf

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Other: https://www.bikelabstudio.com (URL)