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  1. #1
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    What gearing are you running?

    The stock gearing on my new 2008 San Jose (my first SS) is 42/17 and I find I spin out way too frequently. Minneapolis isn't too hilly but it's not totally flat. I ordered a 46T chain ring...am I insane? My favorite combo on my Rockhopper is 42/12 so I think I made the right choice (haven't calculated anything). What do you think? What do you ride?

  2. #2
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    42:17... 46:17... Are you even going off road or up a hill? Sounds like you are riding pavement at a guess.

    I run 32:16 on a 29er offroad but this is a seriously hilly area. I ran 42:17 on my SS road bike in the same area. Not many people are running 42 or 46 up front off road unless it's dead flat.

  3. #3
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    On my local trails Im riding a 32:20 on a 29er and rarely over spin but its a rocky, techy terrain with very little flats. Im considering going to a 19T cog now as my strength is gaining.

    On a geared HT I visit the granny gear a couple of times on these same trails and find myselt frequently riding in a 32:32 gearing on the climbs.
    "Be the Gear..."

  4. #4
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    32:18 on a 29er. I live in western PA so there are hills a plenty. Good gearing with the exception of a really steep long hill. Then I'm running.

  5. #5
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    32:18 for now. It was great for 5 hours at Burke VT. Hope to get stronger legs for next year. Would like to run 32:17 or 32:16 for local races. My road SS is 42:16.

    Cheers,

  6. #6
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    32/20 but if I can find out how to remove this stupid lock ring 32/18

    29er by the way

  7. #7
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    34 17 on my 29er and 48 16 on my commuter.

  8. #8
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    I use 44:18 off road and flip the wheel for 44:16 on road. This is on my SJ, 32:16 and 32:17 are what I use on my mtb's here in norcal.

  9. #9
    trail rat
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    53 x 11



    in the morning.......

    Forty seven by sexteen on the pave

    Thirty-two by twenty on the dirt
    "The physician heals, Nature makes well" - real fortune cookie

    CCCMB trail work for trail access - SLO, CA

  10. #10
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    32/18 mostly flat

  11. #11
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    29er

    32T / 16T & for heavy climbing I switch to a 32T /18T set-up....
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  12. #12
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    32x18 on a 26er almost every where. We have lots of long climbs and steep descents so I just coast down with no pedaling. I find this to be a great gear to haul ass up hills without working really hard to turn the cranks over each time. This is what I used to do the Kirkwood 8 hour race and I was pulling faster times than the fastest geared guys. I use 32x17 when I am not going to be in the saddle all day and the climbing isn't too long.

  13. #13
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    Bonking ... not feelin' well

    My SJ will be used on the pavement only as my commuter and run about. Based on the responses I think I'm making the right decision but I guess I'll just have to wait until next week to find out.
    I haven't converted to SS yet on the RockHopper but let me tell you that the SRAM X.9 s**t (front & rear der, trigger shifters, 980 cassette, chain) that I just bought and installed is going to push me there a lot quicker than if I would have if I stayed with Shimano. I'm not too impressed with the X.9 line .

  14. #14
    bikexor
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    34:18/16 on 26" in Florida... 16 for cruising, 18 for Alafia
    Little Shred Riding Hood

  15. #15
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    Currently 36:20 on a 29er. I have been mostly on 32:20 before that

    EDIT: 36:16 as my road gear
    Last edited by boomn; 08-07-2009 at 01:03 PM.

  16. #16
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    Okay... the OP is looking for info on road commuter ratios, not off-road mtb ratios. 10000 lakes, what tires will you be running? I would say 46/17 is pretty good if you're running some narrow slicks. Might want to keep that 42 ring for when winter comes back though.

    I run 40/15 on my fixed commuter. Can't go much higher than that b/c of hills, and the wind that blows out of the SW 75% of the year.

  17. #17
    Drinking the Slick_Juice
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    36/16 , seems to pull dual duty on and off the trail
    "If women don't find handsome , they should at least find you handy."-Red Green

  18. #18
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    Thanks Sunset -
    I'm currently running the stock WTB Terrainasuarus 700x32 but will be picking up this weekend two Continental Gator Skins 700x28. For the first time ever, today I've been crunching gear ratio numbers and I think my LBS sold me the right chain ring at 46T (thanks PennCycle). Although I'm having a hell of a time locating a 46T bash guard...not that I need one for road riding but they look cool and when winter comes will help keep my pant leg out of the chain.

  19. #19
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    My 29re came with 33:20, but I've been trying out 33:18 lately and I think I'll stick with that.

  20. #20
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    Quote Originally Posted by 10000 Lakes
    Continental Gator Skins 700x28.
    Very nice tires. I run the 25s because of frame clearance issues. AFAIK, one of the best choices for commuting on the market.

    For a bashring, just take any old el-cheapo 48T and grind the teeth off. You might also check with the cyclocross guys for other options.

  21. #21
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    I ride 32-14 most of the time, which is normally when I'm riding around town. If I'm on trails I either stick with 32-14 or 32-16.

  22. #22
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    Do you guys swap your cogs out very often? Seems like pretty big pain in the ass to me.

  23. #23
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    I keep the 14 cog on all of the time unless I know I'm doing on a trail which isn't as outstretched and more hilly.

    It's honestly very easy.

    Pop wheel off. Take off lockring, new cog, lock down, put wheel on.

    For me, it's very easy because I have vertical dropouts so I don't have to worry about my rear brake being offset. I just slap the tensioner on and presto, good to go. It's really not a pain to me at all.

  24. #24
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    Im impressed to see many of you guys running as much as 58 gear inches on your 29er's in the bush!....madness.

    I havent met anyone yet running more than 52 around here. You guys are super strong thats for sure.
    "Be the Gear..."

  25. #25
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    Quote Originally Posted by Roasted
    I keep the 14 cog on all of the time unless I know I'm doing on a trail which isn't as outstretched and more hilly.

    It's honestly very easy.

    Pop wheel off. Take off lockring, new cog, lock down, put wheel on.

    For me, it's very easy because I have vertical dropouts so I don't have to worry about my rear brake being offset. I just slap the tensioner on and presto, good to go. It's really not a pain to me at all.
    I have track ends, and I had to break my chain and add a half link just to get it to work right, only going from 20T to 18T.
    I guess the tensioners give you a lot more play.

  26. #26
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    normally I run 32x14 on my 26" wheeled Salsa Ala Carte. I have a spare 19T cog I keep around for really hilly days but don't use it much any more.

  27. #27
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    Quote Originally Posted by peepsalot
    I have track ends, and I had to break my chain and add a half link just to get it to work right, only going from 20T to 18T.
    I guess the tensioners give you a lot more play.
    I don't find tensioners to give me more play... I can get my tension as tight as I need it just fine. And like most guides suggest, even the best chainrings and cogs aren't 100% round, so I find if I clamp the tension down incredibly tight on a chainline, I ultimately will have some tight spots. By the time I'd leave the chain with enough slack to compensate for tight spots, I'm at the same chain tension I would be with a tensioner in the first place.

    Imagine that?

  28. #28
    CB2
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    Quote Originally Posted by -Muz R-
    Im impressed to see many of you guys running as much as 58 gear inches on your 29er's in the bush!....madness.

    I havent met anyone yet running more than 52 around here. You guys are super strong thats for sure.
    No doubt. The fastest racers out here will only run a 58" gear on the flattest courses.

    I run a 70" gear on my fixed commuter, but I take the hilly way home.


  29. #29
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    Quote Originally Posted by sunset1123
    Very nice tires. I run the 25s because of frame clearance issues. AFAIK, one of the best choices for commuting on the market.

    For a bashring, just take any old el-cheapo 48T and grind the teeth off. You might also check with the cyclocross guys for other options.
    I'll check around some more. 48T - Not a bad idea for some customization!!! Now if the rain would stop.

  30. #30
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    I think I'm going to pick up two new cogs, "true" SS cogs that is to swap between urban riding and trail riding.

    I'll keep the same 32t chainring, but I may grab a 13t cog for urban riding (maybe even 12 if I want to get really crazy) and a 16 for trails.

    Any suggestions on cheap cogs that won't break in 10 minutes?

  31. #31
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    Quote Originally Posted by Roasted
    I think I'm going to pick up two new cogs, "true" SS cogs that is to swap between urban riding and trail riding.

    I'll keep the same 32t chainring, but I may grab a 13t cog for urban riding (maybe even 12 if I want to get really crazy) and a 16 for trails.

    Any suggestions on cheap cogs that won't break in 10 minutes?
    Check out thread titled something like "paid spam" right here in the SS forum.

  32. #32
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    i bought my bike second hand from an experienced rider who had set it up with 32/18. i thought that was too spinny so i got a 17t then a 16t freewheel. after my last miserable ride carrying my bike up some of the technical rocky hills, i went back to my 32/18 ratio. i ride a rigid bike with flat pedals, so i think i could handle that tech stuff with 32/16 if i was clipped in. that will be my next big purchase.

  33. #33
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    34x18 on my 29er, and 42x14 on my fixed road bike, although it feels kind of spinny. I used to run it 48x15 and that was fun for 30+mph sprints but miserable for accelerating through intersections from a standstill.

  34. #34
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    On my 29er I run 36-20, just switched from 36-18. I live in Md and I ride trails that are anywhere from hilly to flat. Anyone else love making fun of people with multiple gears with taunts of "oh come on mr granny gear" as you burn them up a big hill? I love it.

    Also who here uses chain tensioners vs just straight chain or eccentric hub/bb? I don't have a chain tensioner or eccentric bb, just jammed the chain on there and let it stretch out a little bit and it's been working fine. Though I do have a half-link in there to make it fit right.

  35. #35
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    I've run 32/20, 32/18 and 32/16 on the 26". I'm not really strong enough for extended climbing with 32/16 and it really only benefits me on flats. Solution? Avoid flats.

  36. #36
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    Quote Originally Posted by 10000 Lakes
    Check out thread titled something like "paid spam" right here in the SS forum.

    Roasted - did you find some new cogs?

  37. #37
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    33/16 on 2.25"x26" tyres. Seems perfect for me.

  38. #38
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    Straight Uphills?

    Anyone doing straight uphills (mine on broken asphalt) for 8 miles with no let up? What ratio would you use? 32/22?

  39. #39
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    Quote Originally Posted by hchchch
    Anyone doing straight uphills (mine on broken asphalt) for 8 miles with no let up? What ratio would you use? 32/22?
    32-22 would equate to 42.18 gear inches which would certainly help on long painfull climbs. I run a 32-20 (46.4"s) on my local trails and its a good balance for short pinches and flats, but I find it spins out on longer flat or gradual decents though. I live on a Mountain and have a 300+ Metre climb home after every ride and its do-able with this gearing sitting down, it all depends on how steep your climbs are I guess. Theres never going to be that perfect gear if your riding all different places IMO but if your restricted to long climbs only, it may work well for you.

    Do you have another geared bike handy? If so, go and ride some of your hills in middle ring and try a few different cogs on your cassette to get an idea. Keep in mind that your geared bike will not climb as effecient as your SS due to added weight, longer drive train and drag etc.

    I tried riding nothing but a 32-20 gearing on my 10.5kg geared HT before taking the plunge to SS'ing and it seemed like alot of work and I feared the worst, however once I took the SS out with the same gearing it seemed a whole lot easier but it weighed 2kg less.

    Alot of factory builds are speced with 32-18 to 20 as a standard if this helps. Someone on here uses a 32-24 but he uses this gearing to conquer technical rock gardens and steep techy ascents etc.

    Good Luck
    "Be the Gear..."

  40. #40
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    Here we go again

    With gearing you need too considere the ride and the conditions you ride in.

    Dont do compilcated calaulator (skid spots, max. rpm), just some guidlines. Then do 1T less or more for ya personal preference
    26 offroad 2:1
    29 ofroad 21+2)
    cx 42:18
    road 42:16
    Ik hier.............?

  41. #41
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    I ride a 32/19 on my 29er. That works for me in some decently mountainous terrain (like Tahoe for example).
    :wq

  42. #42
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    I plan to run 44/16 on my road/pave Commencal SS. I know a rider locally who uses 48/16. Singapore has a flat landscape.

  43. #43
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    I've ridden 36x24, and I currently feel out of shape. This gear is nice right now. However, I have ordered new cranks with gearing of 34x21. I hope this doesn't kill me. I'm looking forward to trying it out though.

  44. #44
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    Quote Originally Posted by big_slacker
    I've run 32/20, 32/18 and 32/16 on the 26". I'm not really strong enough for extended climbing with 32/16 and it really only benefits me on flats. Solution? Avoid flats.
    LOL, what a difference a few months makes. I'm running 32/18 on the 29er now and climbing is fine.

  45. #45
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    32x25

    I wanted to make all the climbs without pushing my bike. Its my first singlespeed so I didnt know where to start. I found the biggest cog and went with it now I can work my way to a smaller one.
    Great spirits have always found violent opposition from mediocrities.
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  46. #46
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    Quote Originally Posted by treesmasher
    I found the biggest cog and went with it now I can work my way to a smaller one.
    Won't take you long at all.

  47. #47
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    Quote Originally Posted by Wish I Were Riding
    Won't take you long at all.
    Your 34-21 is only a fly turd harder than 32-20, it will be a good move and only have you walking the odd hill here and there.
    "Be the Gear..."

  48. #48
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    32-25?

    Quote Originally Posted by treesmasher
    I wanted to make all the climbs without pushing my bike. Its my first singlespeed so I didnt know where to start. I found the biggest cog and went with it now I can work my way to a smaller one.
    32-25?

    can you tell you're moving?
    I'm not on a mission to beat the crap out of myself and everyone else; it just comes naturally with the single speed

  49. #49
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    Always 32-18 on my 29er.
    I like SS because I don't have to think about gears. If I go to somewhere flat I pedal faster. If I go for the mountains I'll try to pedal harder.
    I think this is the magic of SS

  50. #50
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    30X18 on my 29er. Light enough of a gear that it still has some "pop" when I need it.

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