This is a an odd triple - looks like the small ring BCD is 85 or 86. Works well, good threads and tapers. Surface patina as shown in photos. Rings are Steel SR 52 and 42 tooth. Show some wear but may have miles left. Stamped 83. Could use cleaning. Vintage Raleigh Crankset 170 mm 86 144 BCD Turbine Triple Double SR Sakae
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