Hi guys.
So I've been messing around with my position and doing small tweaks for several months, reading up on FIST, reading through all the threads and posts I can find on the subject as well as a lot of trying. I think I'm getting closer and closer to a good position for me and would like to hear what you might have to say. Also, no need to comment on the insane length of extensions, I haven't cut them yet as I'm experimenting.
Based on Dan's calculator (nice job Dan!) with my height of 184cm and 87cm inseam I get a Pad Y of 646mm and Pad X at 494mm. Funny thing is that my setup (as shown in ) is actually Pad Y of 630mm and Pad X of 500mm. This is what I came up with myself experimenting before the calculator existed . Initially I had some issues holding this position as my hip angle was tight and it "hurt" on the top of the pedalstroke. I made the switch from 175mm to 165mm crankarms and that issue is now gone. The bike's a Ridley Dean Fast in a size small.
Specifically, I'm now pondering about;
- My knee angle is a little shallow (or is it?) at around 140-143 depending on where I'm measuring, should this be higher? If so, I would have to raise my seat and/or move it forward?
- I do feel like I could have my seat a tad higher, but it does look like my feet are aiming at the floor on the bottom of the stroke. Should I ignore this? I was going to try to raise it 50mm but the seat clamp !#(¤ up, so the bike's in the shop right now to get a new seat clamp. The videos show a seat heigth of 775mm seat heigth on 165mm kranks. An old retul fit on a P3 size 56 with 170mm crank arms had me at 797mm seat heigth and road bike (Foil size 56) seat heigth is 787mm on 172,5mm arms.
- I think I'm more stretched when riding outside road as opposed to on the trainer. I feel like I could have more reach (see with 15mm more reach).. Should I have more reach and if so, should I move pads forward? Seat back? If so, then knee angle would get even worse so I would have to compensate with..?
- It seems like perhaps there's a "hitch" or something on the upstroke.. I can see it well in "slowmo", but I don't really feel it riding..? Or perhaps this is what I'm feeling based on the above (in terms of seat heigth and/or reach?)
Also I had my first crash with a car who didn't yield (all good, just a small shoulder injury and minor bike repairs), so I'm also in need of a new helmet after this encounter.. I had a Casco Speedairo (which I guess isn't really an aero helmet at all), I was quite happy with that one except for some ventilation trouble which was mostly foggy glasses when I was hot and it was raining outdoors.
Thanks for the help!
So I've been messing around with my position and doing small tweaks for several months, reading up on FIST, reading through all the threads and posts I can find on the subject as well as a lot of trying. I think I'm getting closer and closer to a good position for me and would like to hear what you might have to say. Also, no need to comment on the insane length of extensions, I haven't cut them yet as I'm experimenting.
Based on Dan's calculator (nice job Dan!) with my height of 184cm and 87cm inseam I get a Pad Y of 646mm and Pad X at 494mm. Funny thing is that my setup (as shown in ) is actually Pad Y of 630mm and Pad X of 500mm. This is what I came up with myself experimenting before the calculator existed . Initially I had some issues holding this position as my hip angle was tight and it "hurt" on the top of the pedalstroke. I made the switch from 175mm to 165mm crankarms and that issue is now gone. The bike's a Ridley Dean Fast in a size small.
Specifically, I'm now pondering about;
- My knee angle is a little shallow (or is it?) at around 140-143 depending on where I'm measuring, should this be higher? If so, I would have to raise my seat and/or move it forward?
- I do feel like I could have my seat a tad higher, but it does look like my feet are aiming at the floor on the bottom of the stroke. Should I ignore this? I was going to try to raise it 50mm but the seat clamp !#(¤ up, so the bike's in the shop right now to get a new seat clamp. The videos show a seat heigth of 775mm seat heigth on 165mm kranks. An old retul fit on a P3 size 56 with 170mm crank arms had me at 797mm seat heigth and road bike (Foil size 56) seat heigth is 787mm on 172,5mm arms.
- I think I'm more stretched when riding outside road as opposed to on the trainer. I feel like I could have more reach (see with 15mm more reach).. Should I have more reach and if so, should I move pads forward? Seat back? If so, then knee angle would get even worse so I would have to compensate with..?
- It seems like perhaps there's a "hitch" or something on the upstroke.. I can see it well in "slowmo", but I don't really feel it riding..? Or perhaps this is what I'm feeling based on the above (in terms of seat heigth and/or reach?)
Also I had my first crash with a car who didn't yield (all good, just a small shoulder injury and minor bike repairs), so I'm also in need of a new helmet after this encounter.. I had a Casco Speedairo (which I guess isn't really an aero helmet at all), I was quite happy with that one except for some ventilation trouble which was mostly foggy glasses when I was hot and it was raining outdoors.
Thanks for the help!