Shimano SM-CRE50 Steps Chainring - 38T Tyre Width_23c they are exclusively manufactured in

they are exclusively manufactured in a new Schwalbe factory

This means there is nothing to disturb the drag coefficient of this beautifully designed and aerodynamic stem

A tyre specifically developed for triathlon

Aluminium crank arms

Its amplitude varies from -17° to + 13°

Shimano SM-CRE50 Steps Chainring - 38T Tyre Width_23c they are exclusively manufactured inShimano SM CRE50 Steps Chainring 38T Symmetric and narrower Q factor design than current E6000 series Normalization and unification of chainline for various system 3 pieces construction with bottom bracket axle serration Chain ring teeth: 38T Chain guard type: without chain guard