30T steel inner ring for triple cranksets 74mm 5-bolt 30T Steel Black 10sp Standard
6061-T6 alloy construction 8 and 9-speed compatible Silver anodized finish CNC Made in the U.S.A. 74mm 5-bolt 24T 6061-T6 Silver 8/9sp Standard
6061-T6 alloy construction 8 and 9-speed compatible Silver anodized finish CNC Made in the U.S.A. 74mm 5-bolt 26T 6061-T6 Silver 8/9sp Standard