Need help fast will 400ex calipers bolt strait on 300ex

[Mattwr426]

Hi all newbie here great forum will the 400ex calipers bolt on the 300ex and the same with rear caliper?

Thanks

[Thumper330]

dont know if you did but read the thread of 300 EX info. A LOT of GREAT info. helped me a good deal and i knew my bike inside and out. also check out the 400EX forum too. maybe you can find the info you are looking for.