Propper Sizing for Track Bike
11-30-14 | 10:52 AM
#1
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Joined: Dec 2007
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From: NWNJ
Bikes: Road bike is a Carbon Bianchi C2C & Grandis (1980's), Gary Fisher Mt Bike, Trek Tandem & Mongoose SS MTB circa 1992.
Propper Sizing for Track Bike
I am looking into getting a low cost track bike but find the sizing weird. Is the TT length supposed to be shorter than a normal road bike I ride a 56cm road bike but find most frames are 55 or 58 with very short TT length?
I am looking to toss on aero bars to use in short local Triathlon..This is where I am looking.
Aventon | City Grounds
Please help.
Thanks.
I am looking to toss on aero bars to use in short local Triathlon..This is where I am looking.
Aventon | City Grounds
Please help.
Thanks.
11-30-14 | 03:00 PM
#2
Chronic 1st-timer
Joined: Jan 2006
Posts: 1,140
Likes: 1
From: Lakehood, CO
Bikes: ...take me places.
https://www.bikeforums.net/track-cycl...ke-sizing.html
https://www.bikeforums.net/track-cycl...me-sizing.html
https://www.bikeforums.net/track-cycl...me-sizing.html
Also, your TT length should not figure into your bar/stem combo. Ideally, they are independent.
The heat tube length, head tube angle, fork offset, stem length, stem angle, bar drop, and bar reach ALL work together to put the hands where they need to be in relation to the front axle for optimal handling. The top tube is not one of these.
The top tube length is there to set your back angle. Longer top tube, the more you lay down (and less comfortable you are).
...
I'm using a 140mm -6deg stem with my 37cm Scattos on my 58cm bike with 15cm head tube. With EC90s, I use a 120mm 0deg stem to put my hands in the same position.
The heat tube length, head tube angle, fork offset, stem length, stem angle, bar drop, and bar reach ALL work together to put the hands where they need to be in relation to the front axle for optimal handling. The top tube is not one of these.
The top tube length is there to set your back angle. Longer top tube, the more you lay down (and less comfortable you are).
...
I'm using a 140mm -6deg stem with my 37cm Scattos on my 58cm bike with 15cm head tube. With EC90s, I use a 120mm 0deg stem to put my hands in the same position.
Last edited by lubes17319; 11-30-14 at 03:03 PM.
11-30-14 | 03:04 PM
#3
Fresh Garbage
Joined: Apr 2009
Posts: 13,190
Likes: 30
From: Los Angeles
Bikes: N+1
Do it the same as you would a road bike and look up how people adjust for TT bars. Fit for triathlons is still different and you can look into how they do their fits if you're serious about competing.
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