I'm currently planning my new CX bikes and thinking about two options:
1. Ridley X-Fire disc custom bike with SRAM Red22, hydraulic disc breaks, mono setup with absoluteblack CX chain rings, Ritchey WCS stem, handle bar and seat post, Zipp 303 disc tubulars.
2. Ridley X-Night disc complete bike with SRAM Red22, hydraulic disc breakes, 4ZA components and T30 wheels. In this case I will remove the front derailleur and also use a absoluteblack CX chain ring instead.

I'm not sure if I should rather spend more money on the wheels (Zipp 303 disc tubulars) or the frame ( Ridley X-Night disc)...

Which option would you choose??

Personally I would spend more money on wheels. Although the 4ZA wheels look decent too

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Cannondale F29 Carbon 1 2013

One thing to consider is the frames have slightly different geo now. The X-Night was updated to have a more American cross geo (lower BB, lower HT, etc) while the X-Fire is still the older style geo. The X-Night is also based off the new Helium SL and is now significantly lighter.

If it was me, I'd go X-Night based on the frame.

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Ridley Noah FAST = 6.86 kg
Ridley Fenix = 6.74 kg
Raligh HiLife = 7.46 kg
http://weightweenies.starbike.com/forum/viewtopic.php?f=10&t=104672

Without doubts, I would get the X-Night. If you have to buy the complete bike, I would sell the T30 while they are still new and buy a Chinese tubular wheel set, much lighter and cheaper than Zipp.
I wouldn't waste money for Zipp wheels. With the same amount you can maybe buy 2 or even 3 wheel sets from China

no doubt get 2 chinese wheelsets so you can have a backup set.

This is CX. +1 on multiple sets of less expensive wheels. If you're doing it right, you'll be trashing them!

I passed on getting a cheap SRAM Red22 Hydro team bike this season. The ergonomics suck on them and they're ugly. IMO. And I say this as someone with SRAM on all his bikes. Holding out for Shimano Ultegra DI2 Hydro (R785).

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2013 Wilier Cento1 SR || 2009 Ridley Crossbow || 2011 Yeti AS-R 5 Carbon

I agree on Sram RED 22: ugly and no ergonomics at all

I finally orderd a X-Fire frame set... But in the first step I will build the bike with a DT Swiss 240s / Mavic Reflex wheel set.
I also decided to go with a mechanical disc brake and to wait with hydros until the get smaller
As soon as I will start with the buildup of the bike I will post Pictures here...

Anyway, thanks for your replys and votes

The red 22 is "ugly" but i think the ergonomics are good. If anything i like the bigger grip. And my hands are small.
What kind of chinese wheels do you guys take usually, far sports 38x23 tubulars?

I'd like to know too

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Cannondale F29 Carbon 1 2013

The Mudclearance, and the weight, of the X-Fire is ridicoulous

Frame in 50 Cm( center-Top) was 1320 Gramm

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http://www.cx-sport.de/content/cyclocro ... m-14122014

Just chiming in to support what others have said, more wheel $$ is always nice to give you a versatile arsenal on race day. I wouldn't worry too much about the weight, there are plenty of fast racers here in the Northeast (U.S.) that race steel and do well (the Sachs guys come to mind).

I am thinking of an X-Fire disc as well, but with the new Shimano R785 hydraulic brake system. Also, I have a pair of cheap Chinese wheels that I bought for CX, but they are so thin and the mounting area so V-shaped that I don't think they're a good fit for CX tubulars, even with Belgian tape. I think I will get a used pair of Zipp 303s or the PSI-Met wheels with Velocity Major Tom Aluminum rims.

Steve