Alpine rotor size...

Wondering as to rotor sizes i can get away with on a 5" FS with an 94kg lump on board (carrying, say, 5/6kg total kit) for general Alpine trailriding this summer. I'll stick my 180 front onto the rear but do i put on a 203 to replace it or will another 180 be ok - running a set of 409 DualAir Revs. I'm not a particularly fast/aggressive rider but i don't want to worry about fade etc. Cheers.
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Remember you will need a new adaptor if you go bigger.
I used to use a 203mm on my bike but went back to 180mm when I got a new brake and it is much better clearance (I notice it anyway) and has less chance of warping.
Can't really coment on how much power increase it will give since the 203 was with stroker rydes and the 180 is with a hope m4
I can definatly notice a difference between 160 and 200 though but TBH getting better pads has the same effect
Cube LTD 29er
Glentress Trailfairies
http://superstar.tibolts.co.uk/product_info.php?cPath=21&products_id=29
Great pads. Give them a few meters to warm up down the trail and then they have excellent bite, don't be worried though, they still bite fine when they are cold.
They work a lot better when wet as well.
Also look at Ashima pads. Quite pricey at 20 quid per pair but have heard good things about them although have never tried them personally.
I found with my stroker ryde, the brake became quite grabby with the 203 rotor and lost what little modulation they had. So they were on/middle/off. That was it, nothing in between :shock:
Cube LTD 29er
Glentress Trailfairies
I think I've got a 320mm rotor off a GSXR somewhere...
By coincidence i'm already using S'star sintered pads and very happy i am with them too - will prob get the new rotors from them as well! Don't know if my forks will be happy with a 203, RS UK haven't got back to me yet...
As for motorbike brakes my old Buell had a stonker up front, via the 6-pot caliper it provided the most impressive braking i've had on a bike.
Cube LTD 29er
Glentress Trailfairies