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Ok thanks, maybe the ip-057 from XMI is the best bet for the frame then, as it's only slightly more expensive than the ICAN.Why not asking ICAN if they can deliver a correct axle ?
Otherwise I would buy something like this. Unfortunately I can't really afford the ip-256 :(
http://www.chainreactioncycles.com/shimano-xtr-trail-e-thru-rear-axle-m988/rp-prod54897?utm_source=Google&utm_medium=Shopping&utm_name=UnitedKingdom&gs=1&gclid=CjwKEAjwgMieBRCB3bqB94e9lD4SJABW3sTNnam-ImGgJS0V26yLvWBXYUWcsRIkeY8HL_Ta0zR7mxoClc3w_wcB&gclsrc=aw.dsLooks like it is the 'same' as I ordered from peter, but other price ($20 at Peter)
... with XTR group set etc etc, so it's rather costly to maintain ...That's why I'm going for XT. Best price/quality in my eyes ...
The weight listed on iPlay's website is perhaps a bit optimistic at 1525g. The three sets I have in my hands averaged exactly 700g (front) and 890g (rear). The range on the three front wheels was 3 grams. The range on the rear wheels was 10 grams. Not bad at all.
So why such a W I D E wheel for an ultra-light XC machine? Well, a variety of reasons. Traditional XC rims have an inner width of 19-23mm. These rims are 26mm, In the past two years, the industry has been moving towards wider rims across the board, from DH to XC. And a lot of this has to do with the advent of tubeless tires. A wider rim has several advantages:
1.Allows sidewalls of tire to stay more "vertical", offering more support while cornering, even at lower pressures. As the two beads more further apart, the tire is more supported in the rim rather than pivoting on the rim when the beads are close.
2.Allows a smaller width tire to perform as a wider tire. This allows the use of a smaller tire casing for weight savings which can easily offset the small increase in rim width. For example, a 2.2" tire might act as a 2.35" equivalent.
3.Increase wheel stiffness.
4.Large reduction in "burbing" of the tubeless tire on the rim at lower pressures.
5.Increase traction and comfort from reduced pressure needed.
Or at least this is the theory. I will see how this plays out in practice. Perhaps it is all marketing, but it does make good sense on paper, so I suspect there is some truth to it. The above reasons aside, I am looking forward to the reduction in rotational weight over my previous wheelset (~2100-2200g!) and a huge increase in robustness and stiffness over my previous alloy wheels. Opting for a more traditional width rim would have yielded a decrease in weight (marginal), but I suspect the benefits of the increased width will offset the ~100g total per wheelset penalty.
We also decided to try hookless rims on this build as well. Many of the industry players have started to convert to hookless on carbon. Again, there must be a good reason? Well there is. Hookless beads allow for an easier/cheaper to manufacture rim. The rim edge also gets more continuous carbon fibers so it is stronger against impacts than the older hook design
I'm just going to quote vipassanna from his build thread bc I thought he explained things quite well in regards to rim width and certain trade-offs.
Yeah, does look very similar. Well lets face it, those planet X frames are effectively chinese :P Will be heavier than the 256SL, probably around 1200g for the frame. And internal cabling would've been a nice feature, but my girlfriend liked the pink (oh yeah, it's pink by the way), and it's my b'day next week so she's offered to pay half the frame cost :P
Still planning/buying (pay day tomorrow) but I can't decide on the rim. On the one hand I mostly ride XC and my race bike runs stans crest wheels. However I quite fancy the idea of a wider rim, although it comes with a 80g weight penalty, but a 3mm wider internal width. I feel the wider rim will be stronger, which is probably good for a rigid, as well as a 'bigger' tyre profile which might add to the comfort of running rigid too.
The rims in question are pacenti cl25 and tl28, these will be laced to Superstar tesla hubs, so I'm looking at a built weight of around 1670 - 1750g. The reason for this hub choice is so I can run a 9 and 10mm thru axle. I just like them, even though QR is lighter, and if I want to WW it, the QR adaptors from Superstar are very cheap.
I am going to run them tubeless and probably with 2.25 RoRo tires.