Zero run out, CNC'd machined cro-mo freewheel, sealed cartridge bearing, sealed externally,
36 points of engagement, three pawl mechanism. 1.37" x 24 tpi, accepts 1/8" or 3/32" chain. 16t, 17t, 18t, 19t, 20t, 21t, 22t, 23t . 171 grams
TRIALS: Green ringed 18t specific freewheel with 72 points of engagement, 6 pawl mechanism.
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