-Material: Aluminum 7075-T6
-BCD: 104mm
-Full form CNC machines
-Tooth Count: 30, 32, 34, 36
-Compatible with: 10, 11 Speed Chain
-Colors: Black/ Red/ Blue/ Green/ Purple/ Orange
-Weight: 33.6g(30T), 35.8g(32T), 48.4g(34T), 56.7g(36T)