To add to the mix, I'm now also producing a Chromoly 4140 Hardened Rockwell 36C front sprocket for the stock 520 chain. These sprockets are hard clear through, not case hardened as most front sprockets are. This means it'll last a LOT longer. Going up to a 16T front is basically about the same...
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415 Front Sprockets are rolling off the machining center constantly now. Stock for the rear sprockets should be here later this week and will have an array of offerings for rear sprocket sizes. Sprocket fitment is perfect! These front sprockets are made from hardened Chromoly 4140, and have cold...