Bicycle drivetrain system, bicycle drivetrain, method, and use

Abstract

A bicycle drivetrain (3) system for a road bicycle (2), comprising: a transmission assembly (14) having at least two selectable transmission ratios, a single chainring (9) having chainring teeth (10) for engagement with the bicycle chain (7), the chainring teeth (10) being arranged along a chainring (9) circumference, and a cogset (4) comprising a plurality of sprockets (5) each having respective sprocket teeth (6) for engagement with a bicycle chain (7) which defines a minimal interteeth distance, the sprocket teeth (6) being arranged along a respective sprocket (5) circumference, wherein a smallest respective sprocket (5) circumference of any such sprocket (5) of the cogset (4) corresponds to at least twelve times the minimal interteeth distance.

Dependencies are inferred from the claim text.