I'm competing in a team TT in a month,and have already worked out a reasonably comfortable position on my road frame with clip ons and a reversed Thomson set-back seatpost (stack 602, reach 412, stem -6deg 120mm, no steerer spacers). My clip-ons are on the 80cm UCI limit, so can't go any further forward. I might be able to go a little lower on the stack with a new bike, but have already taken a 10% hit in threshold power, so am not too keen to do so.
I'm keen to get a Cervelo P2 or P3 (have always wanted a Cervelo), but find that the frames approaching my current stack (ie P2 or P3 61cm frames) are much longer than my current bike (ie P2 61 cm has stack 577, reach 448, P3 61 cm even longer and lower).
An obvious solution is to get a 61cm P2 or P3 and simply use a 70-80mm stem instead, and perhaps, if only until I get more powerful in the lower position, a +17deg stem or some of those aerodynamic aero bar risers. Is this a rational thing to do? Is there a penalty to a longer frame that I haven't anticipated? Advice much appreciated.
I'm keen to get a Cervelo P2 or P3 (have always wanted a Cervelo), but find that the frames approaching my current stack (ie P2 or P3 61cm frames) are much longer than my current bike (ie P2 61 cm has stack 577, reach 448, P3 61 cm even longer and lower).
An obvious solution is to get a 61cm P2 or P3 and simply use a 70-80mm stem instead, and perhaps, if only until I get more powerful in the lower position, a +17deg stem or some of those aerodynamic aero bar risers. Is this a rational thing to do? Is there a penalty to a longer frame that I haven't anticipated? Advice much appreciated.