Stem Angle

L60N
L60N Posts: 223
edited September 2007 in MTB general
Hi guys,

I was looking into getting a new stem to improve fixing at the bar. I'm struggling to make sense of the differnet angles the manufactures state.

I currently have 7 degrees, so was looking for somthing similar as i like the position, just not convinced by only 2 mounting bolts at the bar.

Once stem i found states 6 degrees, thats fine, but the ritchey one i really like states 84degrees??

Now i found a stem that says 80 degrees +-10 degrees

So does that mean the ritchey is 84 degrees +- 8 degrees??

Just applying simple maths, probably a mile off so any help would be greatly apreciated :wink:

Leon

Comments

  • nicklouse
    nicklouse Posts: 50,673
    linkies to said stems as i think there is a few typos somewhere.

    ie dont think they will be a 80 or an 84 degree stem.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • L60N
    L60N Posts: 223
    I was looking here:

    http://www.cadencecycle.com/pd_ritchey_ ... n_stem.cfm


    Its cool though Nick, a bit more trawling of the net at employers cost uprooted more info, turns out 84 = +/- 6 degrees, ( I still aint worked that one out :P

    Tech sheet -> http://www.ritcheylogic.com/web/Ritchey ... S_1106.pdf
  • nicklouse
    nicklouse Posts: 50,673
    tech sheet makes it as clear as mud.

    it is a 6 degree stem.

    either +6 or -6.

    ie a 6 dehree rise or a 6 degree drop.



    84 +6 = 90
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • jayson
    jayson Posts: 4,606
    I dont know bout the 84 degrees part but generally if a stem is said to +/- degrees it means it can be flipped over to give a higher or lower reach.
    Remedy

    Merida

    Austria 2012
  • L60N
    L60N Posts: 223
    Yeah, i got that bit, just the original website stated 84deg, i had never seen that before.

    Regarding the stem, it looks the bollocks, so im gonna plump for the seatpost too for maximum carbonage :P
  • cjw
    cjw Posts: 1,889
    L60N wrote:
    Yeah, i got that bit, just the original website stated 84deg, i had never seen that before.

    Regarding the stem, it looks the bollocks, so im gonna plump for the seatpost too for maximum carbonage :P

    Sent you a PM.
    London to Paris Forum
    http://cjwoods.com/london2paris

    Scott Scale 10
    Focus Izalco Team
  • milkywhite
    milkywhite Posts: 534
    It depends where you're measuring the angle from.

    From horizontal, the rise is 6 degrees. From vertical its an 84 degree angle. Picture a graph with an x and y axis with a straight line 6 degrees up from the horizontal x axis. From the vertical (y) axis the angle to the same line would measure 84 degrees.

    Like Nick said............84+6=90
    2006 Trek Fuel 80
  • L60N
    L60N Posts: 223
    Ahhhhhhhhhhhh, Got it now. :oops:

    Cheers Milkywhite :wink:

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