RSP Cling Ring RCG36B

From RSP:

A 104BCD 4 bolt narrow wide chainrings use an alternating thick/thin tooth profile that offers superior chain retention.

• Narrow wide tooth design
• 104mm bcd 4 bolt pattern
• Available in 30t, 32t, 34t & 36t
• available colours black, red & blue
• compatible with 10 & 11-speed chains