# Going from 4w/kg to 5w/kg **URL:** \ **Category:** Training\ **Created:** [December 17, 2022, 10:12pm UTC](https://www.trainerroad.com/forum/t/going-from-4w-kg-to-5w-kg/78795 "2022-12-17T22:12:25Z")\ **Posts on this page:** 4\ **Page:** 3
**Author:** ![Aeroiseverything](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/aeroiseverything/32/99105_2.png) [@Aeroiseverything](https://www.trainerroad.com/forum/u/Aeroiseverything)\ **Post date:** [December 21, 2022, 10:26pm UTC](https://www.trainerroad.com/forum/t/going-from-4w-kg-to-5w-kg/78795/43 "2022-12-21T22:26:48Z")
I‘m definitely build to be light, but never as light as some of the super climbers. Being 191cm is just not perfect for that. Then again, I can hold 350+ for an hour. Still, I look at the big guy from my team, who can crank out 420 for an hour at 90kg and feel kinda envious of that. Or see a short guy who is sub 60kg and feel kinda envious of that… Or see someone who can sprint. I wouldn’t want to switch places with anyone of these, but I think it’s easy to get into this _on the other side the grass is always_ greener perspective. Since a lot of these things are really pre-determined, it’s probably not desirable to chase after a certain number like „370W“ or „5Wkg“ ---
**Author:** ![mailman](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/mailman/32/101794_2.png) [@mailman](https://www.trainerroad.com/forum/u/mailman)\ **Post date:** [December 21, 2022, 10:58pm UTC](https://www.trainerroad.com/forum/t/going-from-4w-kg-to-5w-kg/78795/45 "2022-12-21T22:58:19Z")
Sure, I get what you’re saying. It’s not about undermining the efforts of someone who does get to 4, or 5, or whatever w/kg. It’s just becoming more common to see the comments along the lines of, “you’re just not working hard enough”. Personally I think both things are true. It takes a lot of hard work to be really good at cycling, and it genuinely takes some people a lot more work/they are unlikely to achieve the same level. ---
**Author:** ![AussieRider](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/aussierider/32/95215_2.png) [@AussieRider](https://www.trainerroad.com/forum/u/AussieRider)\ **Post date:** [December 21, 2022, 11:05pm UTC](https://www.trainerroad.com/forum/t/going-from-4w-kg-to-5w-kg/78795/46 "2022-12-21T23:05:23Z")
Cyclists are an odd bunch. 😂 ---
**Author:** ![OreoCookie](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/oreocookie/32/8298_2.png) [@OreoCookie](https://www.trainerroad.com/forum/u/OreoCookie)\ **Post date:** [December 21, 2022, 11:21pm UTC](https://www.trainerroad.com/forum/t/going-from-4w-kg-to-5w-kg/78795/47 "2022-12-21T23:21:31Z")
> [@KorbenDallas](#): > > 5W/Kg for a 115lbs/52.3Kg rider is 262W and 4W/Kg is 209W or a difference of 53W. > 5W/Kg for a 200lbs/90.9Kg rider is 455W and 4W/Kg is 364W or a difference of 91W. Yes, that is certainly a factor. I’d say it is easier (within reason) for lighter riders to have a higher relative power. Famously, world-class sprinter Marcel Kittel had a [career peak at 4.9 W/kg](https://www.cyclingweekly.com/news/racing/tour-de-france/marcel-kittel-reveals-the-power-numbers-and-effort-behind-his-most-successful-tour-de-france-years-490513). Of course, he weighed 88–90 kg at the time, so his absolute power numbers were still massive. Not to speak of his sprint power 🫣 > [@BenB](#): > > Just to add a bit of context, this isn’t just any slight uphill that the 250W 60kg rider is faster. Plugging it into an online bike speed calculator, the 75kg 300W rider is faster until ~7% grade. I’m in the midwest and finding any 7% grade thats more than a couple mins long is a challenge. Thanks for plugging in the numbers. I’d add to that, though, that depending on your body type, you will need to work on things. E. g. if you are a lighter rider, you do well learning to get very aero. There are some successful TTers who are surprisingly petite. [Previous page](https://www.trainerroad.com/forum/t/going-from-4w-kg-to-5w-kg/78795.md?page=2)