315r Posted September 20, 2010 Report Share Posted September 20, 2010 (edited) Hello! I'm thinking to change my stem, nowadays is this one: http://www.tartybikes.co.uk/product.php?product_id=11325&category_id=41 And focus in this comment please: - Available in 115mm length and 25° rise only (Manufacturer's claimed geometry: 125mm x 25°) with 45mm tall steerer Well, I'm small, only 1,60 Meters and I think that in some movements my arms are extremely extended, movements that doesn't need this extreme extension. My mates comments the same. My bike is 1080mm long I'm thinking in 90mm 5º try-all or 100mm 5º Echo, Assuming that my actual one is "in theory" 125 25º but maybe is 115 25º. What do you think about this change, Could be worst than now? What kind of differences can I notice with only 5º and more short than my actual one? Finally. Which geometry could be the best for my yaabaa 1499: 90mm 5º try-all or 100mm 5º Echo. or another one... Thanks a lot!! Edited September 20, 2010 by 315r Quote Link to comment Share on other sites More sharing options...
Alex Dark Posted September 20, 2010 Report Share Posted September 20, 2010 I'm running that exact stem on my coustellier V2... feels lovely, and im only tiny mind. ( 5 8" Quote Link to comment Share on other sites More sharing options...
315r Posted September 20, 2010 Author Report Share Posted September 20, 2010 I'm running that exact stem on my coustellier V2... feels lovely, and im only tiny mind. ( 5 8" Thanks Alex. Sure, it feels OK in some movements, perfect, but for others movements like "advances" principally in comps, this bike with this stem is quite long for me, I think. Although obviously in your case I think that your bike is larger than mine, that's true? Coust V2 are 1095mm? Woow to long for me, for sure. I don't know what to do, I don't have any friend with and extra short stem to try. I prefer to ask because I have to buy.... Some other opinion please? Quote Link to comment Share on other sites More sharing options...
aener Posted September 20, 2010 Report Share Posted September 20, 2010 I'd think twice about going with so drastically lower an angle on the rise. The height of the bars makes a massive difference to the ride, and that'd drop them by around 15mm, at a guess. I'm really not sure on what's available for stock stems, but something around 80x20*, maybe? I think Hope do one fairly similar to that, not too sure. You need the almighty OBM on this case. Quote Link to comment Share on other sites More sharing options...
315r Posted September 21, 2010 Author Report Share Posted September 21, 2010 (edited) I'd think twice about going with so drastically lower an angle on the rise. The height of the bars makes a massive difference to the ride, and that'd drop them by around 15mm, at a guess. I'm really not sure on what's available for stock stems, but something around 80x20*, maybe? I think Hope do one fairly similar to that, not too sure. You need the almighty OBM on this case. Thaks Aener. Yeah! I think the same but in Spain I can't find stores with shorter stems with more than 5º I focus that trialtech have some stems with 25º and shorter than mine and in spain trialtech have a dealer but don't have this, maybe because are "news" and don't have in Spain yet... Finally aener, 80 could be short? I'm thinking in 90 or 100 with 20 or 25 of angle. Thanks a lot. Edited September 21, 2010 by 315r Quote Link to comment Share on other sites More sharing options...
JD™ Posted September 21, 2010 Report Share Posted September 21, 2010 (edited) This might not sound much help, but might give you a starting point for searching. I saw on here a while ago an image which showed exactly the differences between all types of combinations of length and rise of stems - if you can find it it'd definitely help you envisage where you need to be. Another thing to think about is whether you're currently running riser bars. If you are then you could change them for flats to bring it down a bit to see how you like that? EDIT: I felt bad, so I searched for it myself: So your proposed change would drop you from a 5cm height and 10.5cm reach to 0.8cm height and 9cm reach. That's quite a drastic change... I'd probably suggest something more like a 105 x 20* or something. Edited September 21, 2010 by JD™ 2 Quote Link to comment Share on other sites More sharing options...
315r Posted September 22, 2010 Author Report Share Posted September 22, 2010 (edited) This might not sound much help, but might give you a starting point for searching. I saw on here a while ago an image which showed exactly the differences between all types of combinations of length and rise of stems - if you can find it it'd definitely help you envisage where you need to be. Another thing to think about is whether you're currently running riser bars. If you are then you could change them for flats to bring it down a bit to see how you like that? EDIT: I felt bad, so I searched for it myself: So your proposed change would drop you from a 5cm height and 10.5cm reach to 0.8cm height and 9cm reach. That's quite a drastic change... I'd probably suggest something more like a 105 x 20* or something. Thank you JD for your help and graphic, this is lots helpful. This graphic should be in a static place of the forum to consult i think that it's super interesting. Sure, maybe this combination that i had proposed it's too drastic, I have to find something like 90 or 100 long and 20º Now I have to find it Thanks all for help. Edited September 23, 2010 by 315r Quote Link to comment Share on other sites More sharing options...
Alex Dark Posted September 23, 2010 Report Share Posted September 23, 2010 Thanks Alex. Sure, it feels OK in some movements, perfect, but for others movements like "advances" principally in comps, this bike with this stem is quite long for me, I think. Although obviously in your case I think that your bike is larger than mine, that's true? Coust V2 are 1095mm? Woow to long for me, for sure. I don't know what to do, I don't have any friend with and extra short stem to try. I prefer to ask because I have to buy.... Some other opinion please? My coust measures in at 1117 at the moment... I would say the stem I have would be ideal. Im hoping to buy a Z3R in the very near future...and i reckon ill be stuck with the opposite of your problem, might have to get a try-all 3d forged stem ( 127 x 27 ) Quote Link to comment Share on other sites More sharing options...
jambo Posted September 26, 2010 Report Share Posted September 26, 2010 I run my yaabaa 1499 with a trialtech sport forged stem and viz pro 700 riser bars With a 5mm stem stacker and it feels amazing, to start with i had to run my bars quite far back because i went from a short frame, but on my mates advice got them shifted forward no feels 10 times better on the back wheel. Ps, i have an old pair of echo forks which are a bit longer than most on the market these days which brings my front end up a little higher hence only one 5mm stem stacker. Quote Link to comment Share on other sites More sharing options...
Mark W Posted September 26, 2010 Report Share Posted September 26, 2010 I have to find something like 90 or 100 long and 20º Trialtech Race Welded stems come in 110x20. Quote Link to comment Share on other sites More sharing options...
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