What We Don’t: The low-profile Chupacabra tires roll fast but don’t have enough bite to keep up with the bike.
But now Trek has gone to a carbon frame and wheels and lopped off almost 2.5 pounds.
But from the pics that provided, it certainly looks to me like there "may" be an improvement that could be made in it's design to better prevent the situation Gary showed above.What We Like: The only complaint we had with last year’s alloy Stache 9 was its weight. So, either Trek thinks the design is ok, and this situation was a random incident, or they haven't really had their engineers pay much attention to it. I gave the pics to a Trek Dealer yesterday and looked at their dealer site while I was there, and sure enough, the seat caps are available under the part numbers that provided earlier. Versus with the lightweight two barrel clamp of the SLR seat cap, there doesn't appear to be any contact with the rear tab at all, and the barrels look they want to just force the outside edges of the two rear slits into the seat mast of the frame. I should have taken a picture of what I just tried to explain since you can't see that in this pic. The clamp in the pics below goes over the double slits and contacts the middle tab as well, avoiding the possible stress riser situation that seems apparent in the SLR clamp shown in this thread. The difference in the SLR version (which showed above) lies in the clamp. the double slit version is the most recent one. The mute blue on the new SLR frame does look here you go. Jeffy wrote:can someone post a comparison picture of the SL version of the seatpost clamp. The picture below refers t part number W440938. The "seatcap" refers to the clamp and the outer post that slides up and down on the seatmast to allow for saddle height adjustment. The part numbers are for the entire seatcap assembly in two different lengths. Are all the Trek seatmasts now the double slit type? Versus the single slit type that came on my SL? When you say "seatcap" are you referring to the collar that clamps the seat mast to the frame, or the the seatmast itself? Not sure. Part numbers are W440938 and I am not a dealer so can't log into that site, but I'm not sure what those part numbers are for. I JUST logged onto Treks dealer website and that seatcap is still available from them. They're pretty good about that stuff, but your pics are pretty explanatory. Thanks for posting.Ĭalnago wrote: I hope Trek has immediately pulled that seat clamp (assuming it was one of their own?) and issued a recall to those who might have them. I hope Trek has immediately pulled that seat clamp (assuming it was one of their own?) and issued a recall to those who might have them. You can see how the barrels are forcing the two outside edges of the slits into the seatpost itself, with zero pressure on the significant tab between the two slits. That fancy seat clamp is simply not at all compatible with the new, double slit, seat mast (there used to be just one slit rear center). Your picture shows clearly what is happening. I'm circling back here after examining some of these in real life.
#Trek stache 7 2017 review crack#
I am looking for the picture of the crack on the setmast. Trek took responsibility and quickly replaced both the frame and the seatcap. This crack happened at 2nm below the max of 7nm. What was happening was as the bolt was being tightened it was driving the barrels into the back of the seatmast. I was using the fancy SLR10 seat cap that utilizes 2 aluminum barrels that small bolt threads through to tighten up the cap on the mast. Trek and I came to the conclusion that the seatcap was at fault. Calnago wrote:What happened that you needed a warranty replacement?
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