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I wondered if anyone has ever had a situation where they are slower on a new bike and what could contribute to the lack of speed?
I had a hardtail Cube (3x9) and replaced 90% of the parts on it, got the weight down from 13.5kg to a 11kg bike and it was blistering, after 3 years on that I went and built my fully carbon 27.5er hardtail (2 x 10) and that's coming in at 9.3kg with more or less slick tyres on it.
For some reason this new bike doesn't feel as fast as my old Cube and I am wondering what it is that's holding me back and what I can do to get that familiar speed back?
Maybe it's an illusion, maybe the wheel has to travel a further distance and the 26er was spinning more? I don't know, maybe it's the gearing?
If anyone else has had anything like this happen or if you know of why this bike feels / is slower i.e. you can tell by the gearing or something I'd love to know what could be wrong.
spud wrote:only way to tell is with a stop watch. Subjective feelings are notoriously inaccurate.
Yep, but at our performance level, only the feeling you have on the bike really counts. Even it's faster, is the feeling tells you not, you don't really enjoy the bike. At least, that is how I look at it.
I had a frame with a very stiff rear end. When the road was as smooth as glass, it felt faster than any bike I've ever had. When the road wasn't so great, I was hating this bike because it was beating me up. I had to get rid of it but I still sort of miss it.
I tell you what I have changed and that's the seat height and I noticed an immediate speed increase. It was borderline too high before, now I'm proper on my tip toes an it feels too high for a mountain bike, can barely get on and off the thing lol.
I'm not sure if the carbon frame has anything to do with it.
Appreciate the info though guys
Saving a few watts in Crr vs. cornering traction. That time spent braking with those semi-slick tires adds up.
LeDuke wrote:Semi-slick tires, unless you ride nothing but rail trails and dirt roads, probably aren't faster than "real" MTB tires on actual MTB trails.
That was my second thought.
My first thought is that 'It feels slower' is, in mountain biking far more than road, an incredibly vague and nebulous statement. It feels slower how? Sprinting? Climbing? Descending? Cornering? Holding speed on smooth surfaces? Carrying speed over rough? On what sort of terrain do you ride? On what sort of surface?
Even with that info it could be difficult to give an accurate answer, without it no-one is doing anything but stabbing wildly in the dark.
mattr wrote:So you've mucked around with a position that probably wasn't right in the first place (by the sounds of it anyway) and feel slower.
Either replicate the original position. Or just get your position sorted out properly.
this. i felt slower on a new built bike...only to find that the position wasn't quite dialed in.
5mm here, 2mm there. seemed like it made a difference.
- Parlee Altum + DA9150 + Enve SES 4.5 carbon hubs
- Parlee ESX + DA9150 + THM SRM PM + Enve SES 6.7 CK hubs
- Independent Fabrication Ti FLW + DA9100 + Enve 3.4 CK hubs
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