Kalloy Uno Ultralight.

Discuss light weight issues concerning road bikes & parts.
moshinho
Posts: 43
Joined: Fri May 24, 2013 3:37 pm

by moshinho

damitamit wrote:Well it arrived today! 10 days from Taiwan to the UK.

The 'nine' I bought is in fact a 'six' according to the graphics. But I'm not complaining, weight is only 3g over. It's a 90mm.

Image


And the 'six' i bought is in fact a 'nine' according to the graphics on the other side of te stem, lol. It's a 90mm and the seller anounced the weight 97gr (+-5gr). The prices was around 23 bucks with postage cost included.

Image

Without the bolts:

Image

All bolts:

Image

One bolt:

Image

User avatar
VeloScaper
Posts: 544
Joined: Sat Aug 13, 2005 5:20 am
Location: Sitting over the center of the Earth.

by VeloScaper

I received a 100mm stem just like the OP yesterday (weight 108g) and thinking of just ordering m5x16mm ti bolts w/o washers as this would be the same amount of threads as m5x17.5mm w/ washers but lighter and cheaper. The original bolts measured closer to 17.5mm in length to me with the washers about 1.2mm in width.

So do m5 stem bolts really need washers at the head?

by Weenie


User avatar
573
Posts: 229
Joined: Wed Sep 05, 2012 2:38 pm
Location: West Sussex, UK.

by 573

I used them for peace of mind.

Image

Image

Mine's a Uno 7 stripped with Acetone and fitted with Ti bolts and washers. After stripping, with the standard bolts it weighed 98.1g. I forgot to weigh it with the Ti bolts fitted.

User avatar
Devon
Posts: 775
Joined: Fri Apr 12, 2013 1:19 pm
Location: Oxford, England

by Devon

damitamit wrote:Well it arrived today! 10 days from Taiwan to the UK.

The 'nine' I bought is in fact a 'six' according to the graphics. But I'm not complaining, weight is only 3g over. It's a 90mm.

Image


That would be because it is upside down in the photo.....?
Campagnolo; because it's a bicycle, not a fishing rod.

bontyboy
Posts: 29
Joined: Sat Nov 19, 2011 6:04 pm
Location: Sweden

by bontyboy

Guys, these seem really nice and light.
I´ll have to buy one of these :mrgreen:
But I´m lost with this acetone thing. Do you use it to wipe of lacquer or what?
/J

User avatar
Juanmoretime
Administrator
Posts: 7053
Joined: Sat Jun 19, 2004 11:08 am
Location: Urbana, Illinois

by Juanmoretime

Acetone is a strong solvent and not something you want to breath in so use a mask and in good ventilation. Its used to remove the graphics. I left mine on since I did not find them too offensive.
RESIDENT GRUMPY OLD MAN.

User avatar
VeloScaper
Posts: 544
Joined: Sat Aug 13, 2005 5:20 am
Location: Sitting over the center of the Earth.

by VeloScaper

Acetone isn't that bad as our bodies produce it and it is normally present in blood and urine. I wouldn't worry about a mask and don't smell it for hours inside a coffin and you'll be fine. I used nail polish remover and it took a minute or two. Also you don't need to use a lot of it.

Removing the graphics dropped .7g in weight!

Still wondering whether washers at the head are really needed.

bontyboy
Posts: 29
Joined: Sat Nov 19, 2011 6:04 pm
Location: Sweden

by bontyboy

Wow, that's dedication to the cause

finbard
Posts: 4
Joined: Mon Jul 22, 2013 10:39 am

by finbard

Could someone measure the stack height of one of these for me please?

User avatar
Juanmoretime
Administrator
Posts: 7053
Joined: Sat Jun 19, 2004 11:08 am
Location: Urbana, Illinois

by Juanmoretime

I'm traveling right now but will be home later today and double check. If memory serves me correct its 40mm. The problem is sometimes memory does not serve me correctly.
RESIDENT GRUMPY OLD MAN.

totoboa
Posts: 88
Joined: Thu Dec 13, 2012 4:24 am
Location: Sierra Foothills, California USA

by totoboa

Fin, my Uno 9 is already installed. If it's possible to measure in that mode, explain exactly what the measure is and I can do that. My mass was 100.0g with screws. FWIW going from a 110mm to the 90mm helped a lot with pressure on my palms and finger numbness.

User avatar
Juanmoretime
Administrator
Posts: 7053
Joined: Sat Jun 19, 2004 11:08 am
Location: Urbana, Illinois

by Juanmoretime

Stack height on a stem is just measuring the height of the steer clamp on the stem.
RESIDENT GRUMPY OLD MAN.

Tenlegs
Posts: 284
Joined: Wed Jul 16, 2008 10:37 am

by Tenlegs

Nothing wrong with your memory, it is indeed 40mm

finbard
Posts: 4
Joined: Mon Jul 22, 2013 10:39 am

by finbard

Thanks very much. Damn, I was hoping it would be 35 or 38mm...

L84AD8
Posts: 44
Joined: Mon Dec 17, 2012 2:22 am

by L84AD8

Just to add my 2c..

On my fitter's recommendation, thought I test a budget stem just to try out the fit.. this is the old graphics..

At the shop, I picked up two stems both marked "110mm", but even just eyeing it, I could clearly see difference in length, so I asked for a metal rule, and sure enough one was just a hair under 110mm and the other close to 120mm, so the longer one must've been miss labelled.. Not trying to put this brand/product down, but just a word of caution... :?
Image


To my surprise, the weight came out lighter than I expected, 106g for a 110mm..
And with some simple 3T Ti bolts came to exactly 100g, not bad!! :D
Image

by Weenie


Post Reply