Frequently Asked Questions


It’s going to be a bit rider dependent but for me my Trek Madone with the original RaceLite wheels comes in at about 0.3600 with road kit and a road helmet. My basic TT bike / training bike with unbranded 50mm deep section wheels comes in at about 0.2100. That’s 0.1500 differential, or about 150 virtual Watts.
Some power is lost due to the TT position, because the hip angle is closed, roughly 10% of FTP, so 20 Watts in my case. So if I’m doing 20mph with an average power of 200 Watts on the road bike that translates into 23.6mph with an average power of 180 Watts on the basic TT bike.

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