I have heard from many people that the Shiv is the most aggressive tri bike on the market and I wanted to find out if there is anything more aggressive, after studying quite a few geometrys (and understanding little about it) from my very laymans POV, I have discovered nothing that compares to the aggressiveness in the reach, the stack height, the short head tube, or the lengthy top tube. Has anybody else found anything that would disprove my very unthorough findings? Any response is greatly appreciated.
it depends on what you mean by aggressive. if you mean the front end is low relative to other bikes of the same relative length, then what you’ve heard is exactly the opposite of what is true.
Maybe they meant the Shiv TT, which for larger sizes keeps the same stack while extending reach? Because the Shiv Tri certainly does not make me think long and low.
Shiv tri or Shiv TT? Very different bikes from a geometry standpoint.
To echo Dan, if you’re referring to the shiv tri and define aggressive as being able to get low, you heard exactly wrong.
I have heard from many people that the Shiv is the most aggressive tri bike on the market and I wanted to find out if there is anything more aggressive, after studying quite a few geometrys (and understanding little about it) from my very laymans POV, I have discovered nothing that compares to the aggressiveness in the reach, the stack height, the short head tube, or the lengthy top tube. Has anybody else found anything that would disprove my very unthorough findings? Any response is greatly appreciated.
Shiv Tri? Absolutely not.
Shiv TT? No but a lot closer.
How does the weight of the Shiv compare to the P5, Felt AI and BMC Time Machine?
How does the weight of the Shiv compare to the P5, Felt AI and BMC Time Machine?
I am almost positive that the Time Machine is the lightest of all of these. I would guess that the Shiv Tri bike is the same, or heavier than the P5 and AI. For the record, I ride a Shiv Tri bike and love it. However, it is not the “most aggressive” bike, nor is it the lightest or most aero. That said, I personally think its an awesome all around bike because: a) it fits ME, b) I happen to believe the on-board fueling options are a game changer, and that some of the aero advantages other bikes may have are sacrificed when you start adding bottles and boxes. So, if you’re looking for the very most aggressive fit (slammed down front) and lightest ride, the Shiv tri bike is not it. However, there are many other factors to consider too and in other areas the Shiv wins. Some really fast guys ride Shivs. (and P5s, and AI’s, and TM, and SC, and Canyon, etc).
The original P3 was the lowest bike that I know of. Shiv Tri yeah exactly opposite.
Sounds like your friend is trying to make his bike (or dream bike) sound special.
The Tri or TT bike? The shiv tri is one of the most upright bikes i have ever ridden in terms of stack and the reach does not encourage a low position. The only real numbers you need are reach and stack. Stack is how tall the front of the bike is and reach is well…how far the bike extends out in very basic terms. Since top tube/seatube/downtube etc are all very different between bikes, reach and stack are bringing a constant that can be compared between bikes. What you will notice is the stack will vary quite a bit between bikes while reach seems to be more constant and or have less significant variation. The recent trend in Tri bikes is to lower the stack (front end) and shorten the reach since many triathletes are not going to ride a low position. Slowtwitch has a data base with reach and stack for most bikes on the front page.
Learn about stack and reach. Or better yet, get a fit from a reputable guy and he will tell you what bike is good for you. Most bikes now including the shiv have A LOT of adjustment enough sizes and can accommodate all but the most extreme positions.
Bike frame does not make you aero, how you position yourself on it does, so get a position you can hold for the whole race and be able to run after.
First of all, what does “aggressive” mean? Second, the Shiv has a long head tube and a short top tube (high stack, short reach) - exactly the opposite of what your friend has told you. Cervelos are usually what comes to mind for low stack and long reach. If by aggressive, you mean putting the rider in a very aerodynamic position, it is dependent on the dimensions of the rider. If the rider chooses a bike that fits them well, any tri bike can be tuned to a very aero position for the rider, if the fitter is good.
The original P3 was the lowest bike that I know of. Shiv Tri yeah exactly opposite.
The Shiv TT is lower, except for the two smallest sizes. All the Shiv TT bikes have a frame stack of 495, while the old P3 ranges from 498 - 564.
Unless you are talking about the original P3 aluminum frames…dunno if the geometry was different for those frames.
I had a 54 P2 (only 1 mm taller stack) with a slammed -25* stem. No where left to go form there (other than a -40* stem, I guess). When I changed to my Shiv TT, I hit the same position, but can still go lower if I need to.