At SAMEBIKE we provide the following geometry legend for customers to find the bike fit their style of riding and priorities.
HTL=Head Tube Length
HTA=Head Tube Angle
ETT=Effective Top Tube
ATT=Actual Top Tube
STC=Seat Tube C-C (Centre to Centre)
STT=Seat Tube C-T (Centre to Top)
STE=Effective Seat Tube
STA=Seat Tube Angle
A bike's geometry strongly influences its handling, your comfort, your aerodynamics and your power output. Fit can have far more impact on performance and feel than expensive components.
Learn more about Understanding Bike Geometry.