Ax lightness vial evo seatpost clamp

Discuss light weight issues concerning road bikes & parts.
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Froggy81
Posts: 17
Joined: Thu Dec 20, 2018 4:01 pm

by Froggy81

Hello everyone, may i know what size is the seatpost clamp for ax lightness vial evo

I understand yuniper make them and its 30mm... are there any cheaper alternative?

Thanks

Des

by Weenie


ome rodriguez
Posts: 484
Joined: Fri Feb 24, 2006 9:16 am

by ome rodriguez

30.0

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wheelsONfire
Posts: 2990
Joined: Mon Jul 07, 2014 8:15 am
Location: NorthEU

by wheelsONfire

30.0mm is correct even on the latest models.
The later clamp is machined a bit different.
The old generation was same thickness all around and 10mm stack height.
The new is thinner in the middle and a bit thicker at the up/down.
It also have a "lip" at the top, making the clamp flush to the frame seatpost mast.
It also prevents the clamp from sliding down when you're about to torque it.
Stack height is 12mm (8 grams).
These clamps offer stronger clamping force than a carbon dito.
I also have Smud carbon, which is 2 grams lighter.
To be honest, i would recommend either the new from Ax, or an aftermarket in aluminium.
Use carbon paste and maximum 4Nm.
Bikes:

Ax Lightness Vial EVO Race (2018.12.21)
viewtopic.php?f=10&t=156137
Paduano Racing Fidia (kind of shelved)
Open *UP* (2016.04.14)


Ex bike; Vial EVO D

Froggy81
Posts: 17
Joined: Thu Dec 20, 2018 4:01 pm

by Froggy81

Thanks for the reply
Any specific brand i should look for ?

ome rodriguez
Posts: 484
Joined: Fri Feb 24, 2006 9:16 am

by ome rodriguez

Darimo makes 30.0 carbon seatclamp

Froggy81
Posts: 17
Joined: Thu Dec 20, 2018 4:01 pm

by Froggy81

Thanks

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wheelsONfire
Posts: 2990
Joined: Mon Jul 07, 2014 8:15 am
Location: NorthEU

by wheelsONfire

Smuds version is actually nicer made than Darimo.
It's also super precise.
Bikes:

Ax Lightness Vial EVO Race (2018.12.21)
viewtopic.php?f=10&t=156137
Paduano Racing Fidia (kind of shelved)
Open *UP* (2016.04.14)


Ex bike; Vial EVO D

NiFTY
Posts: 1328
Joined: Sat May 26, 2012 11:26 pm

by NiFTY

I have had a smud for like 4 years for my cannondale evo( also 30mm). It is beautifully made.
Evo 4.9kg SL3 6.64kg Slice RS 8.89kg viewtopic.php?f=10&t=110579" onclick="window.open(this.href);return false;" onclick="window.open(this.href);return false;

by Weenie


PrinceEdward
Posts: 84
Joined: Wed Aug 01, 2018 3:20 pm

by PrinceEdward

https://r.tapatalk.com/shareLink/topic? ... source=app

I use tune skyline wurger 31.6, lighter than the new design

我從使用 Tapatalk 的 Pixel 3 XL 發送



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