SR Royal-5 ESL chain ring - 52 tooth - 144 mm BCD (NOS)
Sakae Ringyo (SR) Royal-5 ESL chain ring - 144 mm BCD - 52 tooth Clear anodized and factory "drilled" aluminum alloy chain ring - no inner reinforcement web - without chain "roll off" pin - "drillium" style Campagnolo Record knock-off with regard to aesthetics - model RY-5-SL52 ... [NOS - compatible for use in conjunction with 1967 through 1987 vintage Campagnolo Record / Super Record cranksets and clones thereof] ... $50.00 USD plus S&H at cost