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track bike fit?(3 posts)

track bike fit?ishmael
Sep 27, 2002 5:57 AM
If I'm happy with a 53 toptube and 10cm stem on my road bike what would you recommend for track? Really I just like the 53+10 cm total length and would maybe rather a longer stem and shorter top tube. I'm 5'8" with a 32" inseam. I plan to do any and all events on the track.
A few tipsAlex-in-Evanston
Sep 27, 2002 8:35 AM
Things to keep in mind when fitting the track bike are:

BB is higher on track bike so the same seat tube measurement will put you a bit higher overall on the track.

You're always in the drops on the track so plan accordingly for saddle to bar vertical drop.

Quill stems are still the best for track stuff. Moving your bars up and down for different events - like pursuit vs. points race - is damn helpful.

Have fun,

Alex

BTW - what's the Philly velodrome like?
re: track bike fit?Sherpa23
Sep 27, 2002 5:11 PM
Personally, I think that a 10cm stem is too short, unless you have your saddle very far forward, in which case, your bike probably doesn't fit. Depending on the track that you race on, things can differ greatly. If you race on a tight track, less than 250 degrees, you might want to consider a short stem, like a 100mm. If you race on a bigger track, like a 333m or bigger, then you might want a 110. Again, I think that a 100 is on the short side as is puts much of your weight back and is only offset by a saddle that is in the middle of the rails or more forward.

At any rate, I set up my track bike (the one that I use on 250m and bigger tracks) to be much like my road bike. Half of a degree steeper and the top tube is 2 mm shorter. I use the same stem. So my road bike is 73 head, 73.2 seat, 56.2 top tube, 54cm seat tube. My track bike is 73.5 angles, 56 top tube, and 53cm seat tube. I am 5'10" with a 33" inseam.

Also, if you are going to pursuit, you should buy a Look ergostem (or similar) with aerobars and bullhorns. If your track bike fits you properly for mass starts, you probably will not be able to lower your stem enough to get into an aero position with aerobars. I hope that this helps.