Look at all the XC bikes with 73-74 Seat tubes. I went from a 74 degree back to a common 73, and lost 10 minutes on a ride. 74 degree seat tube angle. Seat tube angles have zero to do with how well or how poorly a bike climbs. If you were to slacken a seat tube angle, your knee may not reach as far as the pedal … We are not exactly talking about 73 degree versus 74 degree here, but rather a more dramatic shift forward of the body, more like … When it comes to smashing your stuff, a millimeter is as good as a mile. I found that I could not turn faster than about 60 rpm in any gear (I normally turn … (So you don't have to use as many headset spacers). Seat Tube Angle: 72 Degree. With a seat post with no offset, a 74 degree STA will not … Likewise, 74 degrees offered more efficiency than 68 degrees. Note that the seat angle is virtual if the seat tube is raised, so our tester with a slammed seat will never see this angle. 72 degree head tube angle. Head Tube: Integrated 1-1/8″ TNT PRO FRAME . Seat Tube Angle: 71 Degree. On a bike, the difference between a 72-degree seat tube angle and a 74-degree one doesn’t sound like much. The extra upward tilt of the rear section of the derailleur will amount to about 1mm. – Seat angle comparison: 71 degree vs. 74 degree (slack vs. steep) – Vertical seat height: The 71-degree seat angle places the seat almost one-half inch lower. 72mm rake of fork rake. It can handle a dropper post with internal routing, so one can have that option with a 10-speed … Geometry is standard fare, with a 64-degree head angle and 74-degree seat tube angle. All frames have 1in head tube extension built in. Don’t be intimidated by the metric system or the math. Chain stays are 44cm from the center of the bb to the center of the rear axle. Most of Specialized's Tarmac frames have seat tube angles from 73° to 74°, although the very small 44cm model has an unusually steep seat tube angle of 76° which moves the saddle closer to the handlebar for less of a stretch. 34mm of trail with a wheel flop of 10mm. The seat tube angle is the included angle between the seat tube and the top tube (assuming that the top tube is level, or the angle between the rear of the seat tube and the ground plane. Weight: 1729 Grams. I have long legs, and I'd need to slide my saddle as far backwards as possible on a seat post with setback to make a bike with that angle seat tube fit me. One or two degrees angle will amount to didly swat. Weight: 1708 Grams. Maybe in 1000 miles you will have a whole new perspective on this issue. A steep seat tube angle allows racers (and anyone else who wants to ride fast) to achieve a … That’s significant. TT Length: 20.75″ Chainstay Length: 14.5-15.75″ Head Tube Angle: 74 Degree. This study is interesting because it tests not only three different seat angles (68, 74, and 80 degrees… Seat tube angles are most often in the range of 72 - 74 degrees on modern bicycles. Other factors are at play here. I went out and rode my temporary frame and discovered that the difference of one degree on the seat tube angle makes all the difference in the world. I have a suggestion, since you are an advocate of steep seat angle, why not keep using that forward post. Head Tube: Integrated 1-1/8″ TNT PRO-XL FRAME . 71mm of bottom bracket drop. Seat Tube Angle Comparison for 57cm Bikes: Touring bikes 71-73 degrees Road bikes 73 degrees CX 73 degrees. I run a 75 degree seat tube on a triple chainring HT with no operational problems. All that means is, if you draw two 21.6-inch lines from the same point in space, … A 74 STA is on the steeper side for a road bike (any steeper any you're looking at tri or TT bikes). 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