• Thetford is pretty flat but what gear ratio is a safe bet if it's muddy, etc? I have 40x17 on now which is ok for me pushing the fat tyres on road but knobbies in dirt? No idea. Should I fit a 36T up front? 32T?

    Oh, this is for 3hr race, not pootling around. Although I may just be pootling around if it all goes wrong :)

  • 26" wheels, I take it?

    32x17 would have you spinning like mad at Thetford, even in the Winter slop. You could ride a 36x17 easily there. For a 3hr race, maybe a 38 would be better

  • Is this for the Kings Lynn MTB winter series? If so, which one(s) are you doing?

    Edit: Successfully stalked you. Round 3. Hoping to be there myself. Same race, different category.

    Can't help on gearing I'm afraid. I ride at Thetford quite a bit, but always with gears. So far. I wouldn't worry about a short stem for handling technical sections though, because there won't be any. Every race I've done at Thetford so far would be perfectly doable on a CX bike.

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