[tknj99]

Planning to join the 14T club.. just order the sprocket and a new O-ring RK 520 chain (116 link). I replaced the 42T rear in anticipation with the stock 49T. From online calculators, it looks like my current setup at 13/42 is a 16.7% decrease in torque / 16.7% increase in speed while the 14/49 is 7.7% /7.7% which probably makes it like a 3.5 tooth down in the rear from original. Should add some nice extra torque boost and still get me to 60mph or so which is fine.