Equivalence Osymetric / Round

ROAD
STANDARD 130 mm COMPACT 110 mm
ROUND 39/53 34/50
OSYMETRIC 42/52 38/50
OSYMETRIC 42/54 38/52

SPECIAL TT / TRIATHLON
OSYMETRIC 44/54
OSYMETRIC 44/56

VTT / MTB
TRIPLE DOUBLE MONO
ROUND 22/32/44 28/36 34
OSYMETRIC 24/34/42 28/38 34