Road Bike Ultra-Lightweight Flywheel

Depending on the batch, the weight will fluctuate about 15 grams, please note !! !!
Silver SUNAHINE-SZ ROAD 11/12S SLR Cassette
Material: steel and aluminum
Color: silver
Relationship and weight:
11-28 T: 11-12-13-14-15-17-19-21-23-25- 28, about 210g
11-32 T: 11-12-13-15-17-19-21-23-25-28- 32, about 218g
11-34 T: 11-13-15-17-19-21-23-25-28-31- 34, about 229g
11-36 T: 11-13-15-17-19-21-23-25-28-32- 36, about 238g

12-28T:11-12-13-14-15-16-17-19-21-23-25-28T, about 216g
12-32T:11-12-13-14-15-17-19-21-23-25-28-32T, about 220g
12-34T:11-12-13-14-15-17-19-21-23-26-30-34T, about 229g
Suitable for ROAD 11/12 SPEED HG systems