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  1. #1
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    Advice/Thoughts on 1x10 Set-Up

    Last year was my first year racing 'cross. Did about a half dozen races on a pretty much traditional 'cross set-up: 36/46T chainrings (130BCD) and a 12-27T cassette. Components are SRAM Apex. I found myself spending a more time in the small chainring. I'm seriously thinking of going to a 1x10 set-up for simplicity, weight savings, cool factor, etc. I think a 40T chainring would probably be the way to go. Maybe Wolf Tooth. My head is spinning on contemplating the rear. I could pretty much go immediately with a 11-28T and use my Apex RD but not sure I would have the low-end I need. I have thought about a WiFli derailleur and an 11-32T. Another option that I have just started looking at is a MTB RD like a SRAM X9. Then I could go as high as an 11-36T cassette if I needed it for something like a gravel event. The SRAM MTB Rear Derailleur "Roller Bearing Clutch" for driveline stability sounds interesting. Any advice/experience/thoughts on the rear derailleur and cassette options would be appreciated.
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  2. #2
    Senior Member justin1138's Avatar
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    I'm in the same boat as you, just doing it with a Shimano drivetrain. I swapped my double rings for a Race Face wide/narrow chainring because it was a) considerably cheaper than the other versions out there, b) and my LBS carries them. The chainring is going to get thoroughly tested tonight.

    This week I'll also be getting a clutch type rear derailleur to further aid in chain retention. I wanted to keep the short cage rear derailleur on, but I thought it'd be a better idea to make sure the chain stays put. Everything I've read suggests that the combo of a wide/narrow chainring + clutch type rear derailleur should keep the chain in place.

    As it sits right now, I have a 42 up front and 11-28 in the back.
    where's my two dollars...

  3. #3
    coprolite fietsbob's Avatar
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    A Chainguard disc sandwich is the traditional solution .. weight conscious? FSA has carbon fiber ones..

  4. #4
    Senior Member HOWSER's Avatar
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    I went with the single Wolftooth (40) up front last year and a 12-28 in the rear. Was worried that it wouldn't be enough gearing at first but not once did I ever run out of gear. There may have been a time or two that I had to mash up the steepest section but it certainly worked out well.

    Also, I mounted that front ring on the inside of the spider, not the outside. Seems to really help with chain drop.

    Not once did I drop a chain with that setup either.

  5. #5
    Senior Member justin1138's Avatar
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    Raced yesterday on a very bumpy, teeth rattling course. No dropped chains. The wide/narrow chainring with a 105 rear derailleur is doing the trick.
    where's my two dollars...

  6. #6
    not a role model JeffS's Avatar
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    Quote Originally Posted by ChucklesKY View Post
    Last year was my first year racing 'cross. Did about a half dozen races on a pretty much traditional 'cross set-up: 36/46T chainrings (130BCD) and a 12-27T cassette. Components are SRAM Apex. I found myself spending a more time in the small chainring. I'm seriously thinking of going to a 1x10 set-up for simplicity, weight savings, cool factor, etc. I think a 40T chainring would probably be the way to go. Maybe Wolf Tooth. My head is spinning on contemplating the rear. I could pretty much go immediately with a 11-28T and use my Apex RD but not sure I would have the low-end I need. I have thought about a WiFli derailleur and an 11-32T. Another option that I have just started looking at is a MTB RD like a SRAM X9. Then I could go as high as an 11-36T cassette if I needed it for something like a gravel event. The SRAM MTB Rear Derailleur "Roller Bearing Clutch" for driveline stability sounds interesting. Any advice/experience/thoughts on the rear derailleur and cassette options would be appreciated.

    A podium spot was never won or lost over a front derailleur.

  7. #7
    Senior Member Orion12521's Avatar
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    Quote Originally Posted by JeffS View Post
    A podium spot was never won or lost over a front derailleur.
    Ask Katerina Nash if she would have preferred second place over third at the 2013 World Championships in Louisville. She dropped her chain coming onto the finishing stretch. Does that count? It was kind of an important race and all.

  8. #8
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    I lost a regional championship (cat3) last year over 3x chain drop in 1 race (same spot each lap). Have gone to clutch derailleur now. Crazy good retention in a very bumpy race this weekend

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