To put gen 2 calipers on your gen 1 you will have to change out the fork assemblies I believe. The calipers are not a direct swap.
Correct, you do not interchange and you would need the complete gen2 forks also. Which I think would require a gen2 front wheel/rotors too. I'm unsure of the rotor to caliper alignment if you used different wheel spacers to fit a gen1 wheel on a gen2 bike.
Gen2 brakes are deffinately better though.
A set of EBC HH extreme pro pads will make a big difference in stopping power on either gen also, cheapest and best brake upgrade you can do. Stainless steel brake lines are a big improvement in brake feel too.
Just something to consider.
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