alexandra_m,
Whole bunch of stuff....let's take it one at a time.
1) Sorry for the delay.
2) My wife's name is Alexandra and my last name is Murray, I paused at your ST handle, I'm past it now, ready to move on.
3) GREAT amount of info, thank you.
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I currently have a (crashed) XS Canyon Speedmax CF 8.0 Di2. I chose XS back when I bought it to get the stack as low as I wanted but the frame was always too short. I managed to get it right with a 120mm stem and aftermarket aerobars (Profile T5+ Carbon but the older version, 340mm I think, I believe the newer version are 380mm).
Sorry about the crash. Hope you're okay. I love it when athletes are driven to find their position and will do what it takes to get there. RESPECT!
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On my current setup, stack and reach to back of pad mount (as per image): X: 485 mm Y: 560 mm
Perfect, this is what I need. I'm gonna what your set height too. Let's see if it's deeper into this post.
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I cut the stem a few years ago to get the drop I wanted but this year put 35mm of spacers under the aerobars to make it a bit more comfortable so I wonder if the S would be better to make it easier to get the reach.
The proper term here is "steer tube" or "steerer" - but I get you. Smart to lift the front end for comfort, 35mm is a lot. I know I'm gonna end up prescribing a bit at the end of this and what I want to do make sure you aren't in any extreme so that you have some room to tweak for perfection.
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To replace my crashed bike, I'm tossing up between:
XS or S Speedmax CF 8.0 Di2 (the old one, same as my current bike)
S Speedmax CF SLX 8.0 SL (the old ones)... tilt on the aerobars? Pad width?
XS or S Speedmax CF SLX 8 DISC Di2 (I think the geometry may have changed slightly with the remodel?)
For me to proceed what I need is: 1) Seat height from the center of the bottom bracket to the top of the middle of the saddle 2) I've got your Pad X at 485 to rear of pad. I want to know...is the Pad Y you want on the new bike 560 or is it 560+35 that you put in spacers under the stem for a Pad Y of 595? 3) Lastly, just to be clear: I'm gonna prescribe a) Speedmax CF 8.0 Di2 (rim brake) what size is best, what front end, etc. b) Speedmax SLX 8.0 SL (rim brake) what size is best, what front end, etc and notes aero tilt and pad width. c) Speedmax SLX Di2 (disc brake, 2021 - the new one) with the new geometry.
LMK, Ian
PS. power's nice, for you short cranks are critical. Stay with the 155s. Maybe look into sending the left crank up to 4iiiis in Vancouver to have a meter installed while you wait for delivery on the new bike.
Ian Murray
http://www.TriathlonTrainingSeries.com I like the pursuit of mastery
Twitter - @TriCoachIan