druidh wrote:
<snip>
Quoted message said:I've seen these helmet mounted mirrors too and I remain to be
convinced. Is the image large and stable enough?
Yep, very good IME - the mirror is tiny, but very close to your eye, so
although the image is small, it is large in your field of view. No
vibration problems, as it's isolated from the road surface by you.
I was given one which had one which had a slightly convex surface, but
the image distortion around the perimeter of the mirror was just
confusing. I ended up giving up on that and going back to an older
model with a flat mirror.
Quoted message said:And how do they attach/detach from the helmet?
In an interesting variety of lousy ways, my ones used either:
sticky velcro pads which stuck to the shell of the hemet, with matching
velcro on the arm bar of the mirror
-or-
velcro straps which went through the vents of the helmet.
Both came under the heading of "a bit [censored]", but easy to improve on
with blobs of silicone etc.
Id' suggest bringing your helmet when buying if possible. Not just to
ensure that they will fix on ok, but also that you can adjust them to a
position where you can see the mirror without undue contortion of the
eyeball.
Quoted message said:Is this system liable to wear?
Um, if snapping the arm when putting the helmet in a locker, or
dropping it, counts as wear, then yes. They're just a bit vulnerable
(and/or I'm a bit clumsy), and I went through three of them over about
2 years of commuting.
When I stopped wearing my helmet all the time, I kept looking up/right
to where the mirror had been, and that was just infuriating. I snapped
the long arm on the mirror shortly after that, and never bothered
replacing it.
What I would consider is the kind that clip on to the arm of spectacles
(if you wear them), or clear cycling glasses (if you don't). As you're
probably fairly careful with your specs, they might be less liable to
damage than anything attached to your helmet. Also, depending on your
inclination, you can wear them independently of your helmet, though of
course, you do need to don the glasses.
TBH, I haven't yet found a mirror of any kind that wasn't more of a
faff than useful. In particular, if the mirror was set so that I could
see traffic behind me while riding on the bar tops, when I went down
onto the drops, it would be looking at the clouds, so I would have to
raise my head to get the image back - at that stage, it's as easy to
look behind you as use the mirror.
The "Mirricycle" is one mirror that can be used with drop bars - it's a
mirror, a short arm with a couple of pivots, and a bar end plug. It's
pretty much universal.
hth,
bookieb