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"Having said that, on spds, it is very very easy to spin well compared to flats, as they pull your feet round nicely and teach you to move your feet in nice circles. But you can develop a very efficient spin on flats with practice."
That's the argument I support.
I do bounce a little bit on flats when downhilling my HT, but only because I get stiff and lazy in the legs.
BTW. Black is not White; White is Black.
Yep, I got your point from the start SFB.
Unless you're an elite athlete, it makes no difference at all.
Extracting maximum performance to win nothing produces a bigger loser.
what tosh! If there were significant efficiency loss in the shoe it would heat up
it will heat up YOU just wouldn't notice it happening.
I'm now feed up of talking to a argumentative sod like you who will just stick to his tiny little point of view and not accept anything with out arguing even TJ will accept things.
Oh and the op doesn't ask about how efficent they are for the general rider but just how efficent they are.
I'll repeat for those of you who missed it.
clipped in?
you ****!
specially for burmaboy 😉
and for everyone, don't get so uptight, its only bike riding!
I have only read the first page, so sorry if that have already been said, but you don't pull up... Or if you do, well learn to pedal correctly. Pedalling is a circular motion. And obviously spd's allow you to provide continuous power through the circle.
As for the "how much efficiency do I gain", well it's going to depend. But if your mtbing doesn't involve cycling around a muddy field with no camel back and a flashy lycra shorts, you'll be surprise that there is much more things you can do to improve your efficiency than just riding spd's (getting a upy downy seat post to start with).
i certainly climb better being clipped in and on certail decents my feet feel more secure.look on wikipedia there are stats to show more efficiency up to 30%
Try riding SPDS in trainers with no cleats.
This just proves SPDs are useless.
Try getting home, still pedalling your bike, with a damaged leg with flats, ****ing useless
I did once ride back, alone, about a mile from a very isolated spot where I had broken my leg.
I was thankful in one sense that I had SPDs because that helped me pedal using just one leg. I tried gently using my other one, thinking I was probably exaggerating the injury, but all that happened was the leg went longer and shorter as I pedalled.
In another sense, I was less thankful that I had SPDs, because that was what caused the leg break in the first place.
I hate not being clipped in it is so much more efficient riding up hills with spd pedals as you pull on the up stroke.I never ride without clipless pedals
[i]the leg went longer and shorter as I pedalled.[/i]
That makes me feel kinda sick.
It reminded me of a pump, going in and out. I wasn't feeling too chirpy either.
Oddly, because of the body's defence mechanism, I wasn't feeling any pain from the broken leg (spiral fracture of tib right down by the ankle plus snapped fib) at that time (certainly kicked in as soon as I knew I was safe) but my pedalling leg was aching like mad, doing all the work riding a mile or so through the gloop with the saddle down low.
If being attached to your pedals is no more efficient that not being attached to your pedals, why have road and track cyclists been using straps with cleats and then clipless pedals for years?
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Thats a photo from circa 1936, from the Giro, all using toe clips, cleats & straps, must work otherwise why not as I'm certain there were no such things as crank based power meters or complicated human bio-mechanical analysis to disprove otherwise.
and look those bikes from 1936 have the same quick releae mechanism as some mountain bikes still have today - thats progress folks!
well if it worked for them.... 😀