Sizz is a road bike sizing assistant that helps riders understand their body measurements and estimate practical frame geometry targets.
Enter key measurements such as height, inseam, arm length, torso length, shoulder width, and riding preference. Sizz then provides a clear visual reference for estimated Stack and Reach, helping you compare bike frames with more confidence.
Key features: • Record complete body measurements for bike sizing • Estimate target Stack and Reach values • Visualize frame geometry with a clean bike sizing diagram • Switch between English and Simplified Chinese • Keep your profile saved locally on your device
Sizz is designed as a sizing reference tool for road bike selection. It does not replace a professional bike fit, medical advice, or final sizing guidance from a bike shop or manufacturer.
Sizz 是一款公路车尺码辅助工具，帮助骑行者理解自己的身体数据，并估算适合参考的车架几何目标。
你可以输入身高、跨高、臂长、躯干长、肩宽、柔韧性和目标骑姿等关键数据。Sizz 会基于这些信息生成直观的 Stack 与 Reach 参考值，并通过简洁的车架示意图帮助你理解车架尺码。
主要功能： • 记录完整的身体测量数据 • 估算目标 Stack 与 Reach 数值 • 使用清晰的车架示意图展示尺码参考 • 支持英文和简体中文切换 • 将个人资料保存在本机设备上
Sizz 适合作为公路车选购前的尺码参考工具。它不能替代专业 Bike Fit、医疗建议，或车店和品牌方提供的最终尺码建议。