Rotor Chainrings Round 110X4 Aero 1X Packing & Touring the same as Team Sky

the same as Team Sky will use in 2019

Perforated tongue

The grip surface is designed to actively support the more aggressive

or with a thermal layer you can ride it below freezing

ORTHOPEDIC FOAM – Comfortable and durable

Rotor Chainrings Round 110X4 Aero 1X Packing & Touring the same as Team Sky1x aero 110x4 spider mount Round ring provide minimal air resistance, reduces drag and allows you to pedal faster with less effort. They are compatible with all ROTOR modular road cranks and power meters including 2INpower, INspider, INpower, ALHDU and VEGAST. Compatible with 110x4 Spider and Aero Mas Spider. Weight of chainring (48t): 121g Chainline ALDU Vegast with std axle: 44. 5mm