Elilee Mobius OSPW Oversized Pulley Wheel System

Mobius is a new generation of Elilee oversized pulley wheel system which has made many breakthroughs in technology.

Features

Spiral Galaxy: ELILEE’s exclusive pulley wheel structure
More established NTPT carbon fiber technology, new upgraded carbon fiber injection technology
The new silicon nitride ceramic bearing is only 40% of the weight of the previous zirconia ceramic bearing
Weight: 45 grams, every titanium alloy screw provided by S-PARTS
Sapphire Dust cover makes it has Outstanding water-resistant cleaning structure
Number of teeth:13T on the top,14T on the bottom
Fit for rear derailleur: Shimano R8000,R8100,R9100,R9150,R9250 Series