DrivetrainPro is an iOS app for cyclists to calculate gear ratios, gear inches, and development distances for various bike setups. It supports major brands and custom configurations, helping users optimize performance and make informed upgrade decisions.
DrivetrainPro is a Lifestyle & Personal project. It enables cyclists to analyze and optimize bike gear ratios for better performance. It is built as a consumer product for cyclists, bike mechanics, cycling enthusiasts. Pricing is paid, from $0.99. DrivetrainPro is available on iOS.
Pierre Riehl builds and maintains DrivetrainPro, and it first shipped in 2025. Key capabilities include gear ratio calculator, cycling performance analysis, and custom bike configurations.
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