Is this normal or a dent?- Mtbr.com
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  1. #1
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    Is this normal or a dent?

    Just got my new XCL frame. Pulling it out of the box I got a big smile but then noticed what looks like a dent in the down tube about where a FD would clamp on. It looks too perfect so I started wondering if it was there for a reason but it seems like that would weaken the tube. Im sure theres a simple answer, let me hear it.

    Otherwise, I love it and cant wait to start building it.

    IMG_2135a.jpg

    IMG_2136a.jpg

  2. #2
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    That's the way it's supposed to be. The "dent" allows clearance for the E-Type derailleur the XCL requires. In case you're not familiar with the E-Type, Shimano is the only manufacturer that makes them. It looks like this. I don't think anyone makes a derailleur with a clamp big enough to go around that massive seat tube.

  3. #3
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    Quote Originally Posted by Ricky D
    That's the way it's supposed to be. The "dent" allows clearance for the E-Type derailleur the XCL requires. In case you're not familiar with the E-Type, Shimano is the only manufacturer that makes them. It looks like this. I don't think anyone makes a derailleur with a clamp big enough to go around that massive seat tube.
    Correct on both counts. I wish there was a way to use a clamp-style derailleur.. I've gotten my e-type pretty well tuned now but I'd love to ditch the thing. Seat tube diameter is 38.1.

  4. #4
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    Thanks. Good to know thats normal. I was aware of e-type derailer it required but other than pictures, Ive never seen one on bike.

  5. #5
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    I love the E-Type Derailleur ,perfect alignment,no clamp messing my frame up, and shifts great. IMHO

  6. #6
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    I really hate the fact that there's no alternative other than using a Shimano piece. I've got to admit though, once I got the thing adjusted correctly, it's been smooth shifting up front.

  7. #7
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    I guess in theory the "dimple" would weaken the seat tube, but I can't remember the last time I heard of a seat tube without a suspension pivot on it cracking.

    Nice choice of colors BTW.
    Work is the curse of the biking classes.

  8. #8
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    My issue with the e-type is that it limits your choices not only on your F.D. but also on things like chain tensioners/chainguides.

    Case in point.. I run a blackspire chain tensioner. The stock FSA crank doesn't work with that setup because the bolts for the granny ring rub the tensioner plate if you don't throw another spacer on there. When you do throw another spacer on there to fix the rub you've left yourself without enough exposed crank axle on the non-drive side.

    I fixed my problem with a `08 XT crank.. the granny ring bolts cleared the tensioner plate without needing the spacer. Go figure. If I had a way to use a band clamp FD I would have been able to run the spacer and keep the fsa cranks.

  9. #9
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    I'll also add that this is the only gripe I've had about the XCL... at all. I understand the e-type has advantages that in some opinions outweigh the disadvantages but I would love to see other options out there. What are the chances Shimano would license the e-type to SRAM? That's a rhetorical question by the way... there's no way Shimano is going to voluntarily give up any more ground to SRAM.

  10. #10
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    Quote Originally Posted by chucko58
    Nice choice of colors BTW.
    I'm loving the color. I cant wait to get it built so I can ride it.

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