151 mm
Shimano Dura Ace Track Chain Ring / 50 T / BCD 151 mm / 1980 / NJS
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Campagnolo Record Chain Ring / 47 T / BCD 151 mm / NOS
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Shimano Dura Ace Track Chain Ring / 50 T / BCD 151 mm / 1974
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Sugino Mighty Compe Track Chain Ring / 54 T / 151 BCD / NOS
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Sugino Mighty Competition Track Chain Ring / 51 T / 151 BCD / NOS
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Sugino Mighty Competition Track Chain Ring / 49 T / BCD 151 mm
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Shimano Dura Ace Track Chain Ring / 52 T / BCD 151 mm / 1976 / NJS
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Shimano Dura Ace Track Chain Ring / 53 T / BCD 151 mm / 1975
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Shimano Dura Ace Track Chain Ring / 50 T / BCD 151 mm / 1975
