It is English threaded, spins smoothly, an has a 13, 15, 18, 21, 24 tooth count. The "New" refers to 2nd gen using the special cone tool. The "S" on the box refers to standard spacing. A note, this is pre-indexing so options back then were "standard" (5 or 6) and "Ultra or Compact" (6 cogs in 5-speed spacing or 7 cogs in 6-speed).
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