11Speed Road bike ultra-lightweight flywheel 12S freewheel

Material: steel and aluminum Color: silver

11S flywheel Relationship and weight:

28T: 11-12-13-14-15-17-19-21-23-25- 28, about 217g 32T: 11-12-13-15-17-19-21-23-25-28- 32, about 226g 34T: 11-13-15-17-19-21-23-25-28-31- 34, about 239g 36T: 11-13-15-17-19-21-23-25-28-32- 36, about 239g Suitable for ROAD 11 SPEED HG systems