this post was submitted on 29 Aug 2023
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I do agree with most of your post, and the whole your average cyclist doing "30 mph without much trouble" is ridiculous. I do think you are underestimating how fast road bikes can be though.
So, on a road bike, it is pretty easy on the flat to keep 20mph/32kmh. 30mph/48kmh is definitely an effort and not one that is sustainable for most people. To give you an idea, I did a charity bike ride in June which was just shy of 100 miles, it was 158.3km with 1667m of climbing as well, so not completely flat. I averaged 31.2kmh. I am in no way fast, I am alright on the flat but gravity is a cruel mistress on an uphill.
Downhill is a different thing as well, I have hit speeds of around 62mph/100kmh, and a hill near me will almost always spit me out doing 55mph/89kmh with 0 effort(roll down the hill and sit on the drops), and that is on both my road and gravel bikes. But that is probably steeper than you are thinking. However, there is also a pretty steady -1% average "downhill", it is a false flat, but it is really easy to cruise along at 25mph/40kph+.
The key difference is you're an experienced cyclist. You're capable of recognising that it's safe to go 60mph down that particular hill and if it wasn't you'd be on the brakes. Also you probably know how hard you can pull that front brake lever without going over the handle bars.
Inexperienced cyclists and high speeds are a really bad combination.
Most parents wouldn't let their teenager ride YZF-R1, and they shouldn't be letting them ride a high powered eBike either.
I think my biggest issue with this thread is the bikes they are referring too are actually Electric Motorbikes(and should be treated like any other motorbike), not an "ebike" in the typical sense of Pedal Assist Bicycle.
Yeah, I don't doubt it, I was just trying to be (overly) conservative to show how pedaling up to and keeping 50kph is far from being reachable by the average cyclist.
Not only because of the bike, but you also need a well maintained strech of asphalt to reach and maintain that speed.
In my head I thought I can easily get to 60kph with the sprint output I do with my gravel bike if I had a carbon road bike, but I didn't want to say something silly. Especially because I'd still be dealig with the same terrible infrastructure and wind around here.
The other point was that once you get in the 40kphs it starts to get scary, but that's down to where you are and the conditions. So it's not like the average bro with flipflops and front basket does it on the daily.
My eFatbike is limited to 25kph/15mph after which it stops assisting. Sometimes when pedaling back home from the trails on the side of the road I meet road bikers and it takes quite a while for them to catch me and even after overtaking I'm following them for a looong time before they get out of sight. You'd think a roadbike would be much faster but it's the uphills where ebikes shine and it makes a huge difference. On flat or downhill they smoke me tho. No competition there.
Pretty crazy that you can reach 100kph downhill. My tops with the fatbike is about 63kph. That's on gravel though.