Sizz from hypersupp

Start your road bike search with your measurements and frame geometry. Sizz helps you record body measurements, estimate geometry targets, and explore frame sizes using a bundled road bike catalog. YOUR MEASUREMENTS Record height, inseam, arm length, torso length, and other measurements. Choose your riding posture and flexibility. Your measurements stay on your device, with no account required. UNDERSTAND THE GEOMETRY Explore reference values for stack, reach, saddle height, and more. Read the calculation guide to understand the estimates. Some sizing results are marked preliminary when measurements are incomplete. AN OFFLINE BIKE CATALOG Browse 66 road bike models and generations from 17 brands, with 429 size geometry records. Explore brands, search for bikes, view photos and size geometry tables, and save your shortlist. Check official sources for each model. Core browsing and calculations work offline; official website links require internet access. COMPARE TARGETS AND FRAMES Use your body measurements to explore frame size suggestions and compare actual frame stack and reach with your targets, giving you a reference for bike selection and test rides. Available in English and Simplified Chinese on iPhone and iPad. Sizz uses body measurements and simplified models as a starting point for bike selection and test rides. It does not replace professional bike fitting, an actual test ride, or medical advice. Final fit also depends on components, physical condition, and riding feedback. Catalog entries refer to specific editions and regions; verify official specifications before buying.