THEORY PREDICT CASSETTE COMPLETE WHEEL 20"

THEORY PREDICT CASSETTE COMPLETE WHEEL 20"

 COMPLETE REAR WHEEL WITH A WIDE 36MM DOUBLE WALL RIM PAIRED A 9T CASSETTE WITH A 14MM AXLE AND 5 SEALED BEARINGS. THE DRIVER HAS 3 SETS OF PAWLS WITH 3 PAWLS PER SET FOR SOLID ENGAGEMENT.