Bigger front ring?- Mtbr.com
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  1. #1
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    Bigger front ring?

    I bought a new Giant Yukon. The bike rides great but I find the 28 tooth front ring is too small. Iím not using half of my cassette, and canít pedal fast enough in many situations.

    I donít want a huge jump, but would like to start using two or three more gears in back... any suggestions on how much bigger I should go up front?


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  2. #2
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    I'm not sure if you shared enough info to get a specific number. How many gears do you have, and what is your cassette range? Are you really NEVER going beyond halfway up the cassette? How many teeth do you have in the gear you never go beyond? Do you care about top speed or are you just trying to stay in the center of the cassette?

    Your frame probably has a max size that you should know.

    The easy answer is 32 or 34.

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  3. #3
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    Quote Originally Posted by MikeR91 View Post
    I'm not sure if you shared enough info to get a specific number. How many gears do you have, and what is your cassette range? Are you really NEVER going beyond halfway up the cassette? How many teeth do you have in the gear you never go beyond? Do you care about top speed or are you just trying to stay in the center of the cassette?

    Your frame probably has a max size that you should know.

    The easy answer is 32 or 34.

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    Great questions... 12 speed, range is 11-42. I use the bike primarily for commuting on dirt, rocks and some pavement. Iíve yet to use the bottom few gears, ever.

    On my trail bike, I never use my small ring up front. No huge mountains here in Michigan. .

    Guessing 32 or 34 will work well. Thanks for the input.


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  4. #4
    Thingamejigger
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    Here is a great gear calculator, plug in your existing and what YOU might like to make and educated decision, rather than the 'I think you should get' XXT ring.... Mike makes a valid point, there will be a limit to the ring you can fit.

    https://www.sheldonbrown.com/gear-calc.html

  5. #5
    Rippin da fAt
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    Quote Originally Posted by xycarp View Post
    I bought a new Giant Yukon. The bike rides great but I find the 28 tooth front ring is too small. Iím not using half of my cassette, and canít pedal fast enough in many situations.

    I donít want a huge jump, but would like to start using two or three more gears in back... any suggestions on how much bigger I should go up front?


    Sent from my iPhone using Tapatalk
    I live in the mountains and use a 28 on the fatty since it is my other Jeep. Keep in mind, a small change in front affects the entire range of the cassette. 2 teeth can be a noticeable difference and 4 teeth will be a larger change yet. If the LBS has some takeoffs that you can experiment with, that can be a money saver to not spend on rings that would collect dust. I think a 32 will be a good starting point.
    Get fAt, Stay fAt, Ride fAt
    Doctor recommended...

  6. #6
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    I ride 10 miles round trip on pavement and gravel to get to the singletrack, nearly all of it completely flat. I was spinning out on my 28 with SRAM 11 speed cassette. I just got a new crank set and it came with a 32 chainring. Itís added a decent amount to the top end, and havenít noticed it being a problem on the short, steep, singletrack climbs yet, although Iím not quite completely used to it so far


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  7. #7
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    Quote Originally Posted by celswick View Post
    I ride 10 miles round trip on pavement and gravel to get to the singletrack, nearly all of it completely flat. I was spinning out on my 28 with SRAM 11 speed cassette. I just got a new crank set and it came with a 32 chainring. Itís added a decent amount to the top end, and havenít noticed it being a problem on the short, steep, singletrack climbs yet, although Iím not quite completely used to it so far


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    It will take a little time to acclimate to it overall. It will make the first few gears less deep but you will get stronger in short order with time ans perseverance. Remember, the chainring will affect the entire range. Going up by 4 teeth is a moderate jump to taller gearing.
    Get fAt, Stay fAt, Ride fAt
    Doctor recommended...

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