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Thread: SS road gearing

  1. #1
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    SS road gearing

    Hi Guys,

    I have a NinerOne and want to do a semi competitive road ride.

    Now the bike is a SS and my current setup is for riding jungle trails..

    What gearing would be a good shot. The route is about 39Km fairly flat with the odd climb.

    Now Im not looking to win but I dont want to be last either. Was thinking to get a extra chainring for this ride and need opinions on what ratio to go with? Im in reasonable shape, a bit over weight not 100% fit but 39Km should not be a problem. Riding some Geax 2.3 with a bit of a XC type of tire thread if that makes any difference.

    Last but not least I will be the odd one out with baggy shorts and camelback

    Here is the link to the ride details.
    OCBC Cycle Singapore 2012 - Categories And Prices

    Thanks
    The 1st production mountain bike was sold in 1984.
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  2. #2
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    Quote Originally Posted by idinomac View Post
    You might be better off asking in the endurance racing forum or if you don't get any answers then try there.
    Good idea thanks; ill give it till tonight.

    Come guys help a fellow 29'er
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  3. #3
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    You might be better off asking in the endurance racing forum or if you don't get any answers then try there.

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    While not quite the same. I rode my SSCX bike with a 42x17 on a group ride and hung in there with the top guys.

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    Quote Originally Posted by sparkie View Post
    While not quite the same. I rode my SSCX bike with a 42x17 on a group ride and hung in there with the top guys.
    thats a pretty big ring, not sure it will fit my bike. might have to shrink the cog gear as well if thats the case but was hoping to do as little as possible and not having to spend too much.
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    I run 48x14 on my road singlespeed. But that may be too big a ring for you

  7. #7
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    I run 46x17 and 46x18 depending on how far up the mountain I want to climb. With that gearing it is still hard to "pull" other roadies on flats, but I do well on climbs.

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    46x16 here. It can get to be no fun on long extended climbs but if it's flat your golden.

  9. #9
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    46x17 here in the mountains.

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    Quote Originally Posted by Punkeyboozter View Post
    The 1st production mountain bike was sold in 1984.
    I'm not sure what that is referring to but...Specialized Stumpjumper - Wikipedia, the free encyclopedia

  11. #11
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    According to the terrain view, the biggest climbs are the bridges near the marina.
    Go as big as you can fit up front...my roadie at 48x17 would be perfect for that course..
    Trailwrecker at large

  12. #12
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    50x14.

    ...Then again, that was on my track bike, and I can do 40km in well under an hour. Horses for courses...?

  13. #13
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    You will have the best brakes of the field if all roadies

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    I dont even know where to start... I'd either pick up a big front ring or a small cog. ideally both. And if you can, score some smaller slick tires. Even some "file tread" cross tires would be much better than full on knobbies. It's gonna be tough to keep up with road bikes if you're running knobbies.

  15. #15
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    With my SS mtn bike on the road, with flat roads and few overpasses and bridges, 36x15 netted me about 17mph for 30miles and found me spinning out quite a bit. That was with Stans Ravens. On my SS road bike, 50x17 gets me about 20mph for the same route and that's with 700x23 road tires. Even with the road bike gearing, I find myself spinning out at times dependent on the wind.

    I can't come close to staying with the roadies on my SS mtn bike. Road SS - no problem as long as the wind isn't too our backs, ss mtn - big problem regardless of the wind. It's hard to keep those 2.2 treads churning at 20+mph especially when you're sitting more upright. Even if I catch a draft I still have to spin a 140+ cadence to stay in their draft. IMO unless you're riding with really slow roadies, don't plan on keeping up with them on your mtn ss.

  16. #16
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    Drafting is key for a SS in a roady group.

  17. #17
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    i run 46:16 on my road ss and it's a pretty good all around gear. there are some decent hills on my commute that i have to grind, but i can spin on the flats and maintain 20mph or so.
    with those big tires you might think about 44:16(ish).
    pretty hard to say, though.
    Quote Originally Posted by pvd
    Time to stop believing the hype and start doing some science.
    29er Tire Weight Database

  18. #18
    CB2
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    A 36x15, or 34x14 will give you about a 70" gear.
    That's about what I have on my fixed gear, which is 25 mph @ 120 rpm.

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    Quote Originally Posted by CB2 View Post
    A 36x15, or 34x14 will give you about a 70" gear.
    That's about what I have on my fixed gear, which is 25 mph @ 120 rpm.
    Is that on 65B or whatever it is called wheels?
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  20. #20
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    I'm also in the mountains and run 48x17 or 18, depending on the route (this is about 70-ish gear inches).

    But to be competitive? You need to be pushing 80 gear inches.

  21. #21
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    Quote Originally Posted by p nut View Post
    I'm also in the mountains and run 48x17 or 18, depending on the route (this is about 70-ish gear inches).

    But to be competitive? You need to be pushing 80 gear inches.
    yeah but lets face it I dont really stand a chance. these guys are proper roadies and my bike prob cost the same price as one of their single carbon rims.

    I just dont want to be left behind completely on my fat tires...im sure there will be others but doubt any one will be on a singlespeed MTB
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    You should at least invest in some 700c slicks.

  23. #23
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    Quote Originally Posted by p nut View Post
    You should at least invest in some 700c slicks.
    what are good options? Big Apple?

    I have one stans wheel and one salsa chili wheel if it matters at all.
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    I'd just go with the lightest/narrowest wheelset and get the narrowest tires that will fit. Plenty of selection at JensonUSA.

  25. #25
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    Quote Originally Posted by p nut View Post
    I'd just go with the lightest/narrowest wheelset and get the narrowest tires that will fit. Plenty of selection at JensonUSA.
    yeah thanks I know its prob the right way to do it but I was hoping to do it on a limited budget and even the XC tires.

    Was thinking more along the lines of just getting a new chainring and chain and call it the day.

    Slicks yeah maybe but thats another $100 bucks that could have gone to a off-road things that are more important.
    .
    I do need a new BB so who knows what I walk out of the store with...it is x-mas after all.
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  26. #26
    CB2
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    That's with a 29" tire.
    36/15 = 2.4 x 29 = 69.6 GI.

    My fixed gear 42/16 with 28mm 700c tires..

  27. #27
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    Not sure if they'll ship to Singapore but check out StateCycles. I have one of their frames as my SS road bike build. Very sturdy. You can get the whole bike from them for under $400. Perhaps you can see about acquiring a road SS/Fixed and leave your mtn bike alone. You'll have a much better shot of dealing with roadies on a skinny tire bike.

  28. #28
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    I agree with getting a proper road bike. Other the chain ring, forget the slicks and save up for a SS road bike. I have a Surly Steamroller I built up and I love it. 700x23 for the summer and currently has 700x32 cross tires. But I'd also look at Wabi bikes.

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