Out of interest does anyone know if there are any restrictions on NJS gearing options? Is there a gear inch limit or a restricted use on certain sprocket or chainring options? Can you get 12/13t & 45t/56t NJS stamped parts?
i think DuraAce might, i have a 54 njs stamped ring so why not 56
@Goyt started
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Out of interest does anyone know if there are any restrictions on NJS gearing options? Is there a gear inch limit or a restricted use on certain sprocket or chainring options?
Can you get 12/13t & 45t/56t NJS stamped parts?