AX Lightness Orion pad holder nut size?

Discuss light weight issues concerning road bikes & parts.
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jz4nyc
Posts: 663
Joined: Sat Aug 30, 2008 7:07 am

by jz4nyc

Subject header says it all.

Need to know size and thread pitch of the pad holder nuts.

Thanks!

by Weenie


jz4nyc
Posts: 663
Joined: Sat Aug 30, 2008 7:07 am

by jz4nyc

anyone? m5? m6?

jz4nyc
Posts: 663
Joined: Sat Aug 30, 2008 7:07 am

by jz4nyc

:noidea: does anybody have these brakes?

help!

(actually, i'm trying to help a pal out who has 'em but isn't too savvy on how they're designed/made, and i don't have ready access to the bike otherwise i'd be answerin' my own questions... :wink: )

hard to tell from photos if the bolt is molded into the pad holder itself and a nut screws on top of it outside the caliper, or if the pad holder itself is threaded and a regular m5 bolt screws into it (like most brakes, a la shimano, et al).

artray
Posts: 1365
Joined: Fri Oct 07, 2011 2:08 pm

by artray

They use M5 bolts :thumbup:

jz4nyc
Posts: 663
Joined: Sat Aug 30, 2008 7:07 am

by jz4nyc

you mean bolt screws into pad holder? happen to know how long the bolt is? an m5x5 or maybe 10?

thanks!

YinYang
Posts: 42
Joined: Tue Dec 09, 2008 5:54 am

by YinYang

+M5 bolts; don't know the lenght but bottle cage bolts will works.

jz4nyc
Posts: 663
Joined: Sat Aug 30, 2008 7:07 am

by jz4nyc

perfect, thank you. those are m5x5 if i recall.

what would you recommend, ti or aluminum?

want to get 'em in black anodized. dunno if i can find black anodized ti.

YinYang
Posts: 42
Joined: Tue Dec 09, 2008 5:54 am

by YinYang

I would go with titanium. The original bolts supplied by AX are aluminum which I ripped off the heads by simply hand tighten like your friend.

Bottle cage bolts comes in various lengths, make sure you get the correct length cause too long of a boltswill push the pad out of the holder.

jz4nyc
Posts: 663
Joined: Sat Aug 30, 2008 7:07 am

by jz4nyc

yin yang, thanks a ton.

artray
Posts: 1365
Joined: Fri Oct 07, 2011 2:08 pm

by artray

I use some Ti bolts that I painted black .

fdegrove
Tubbie Guru
Posts: 5858
Joined: Tue May 03, 2005 2:20 am
Location: Belgium

by fdegrove

Hi,

The bolts are marked 4Nm so they must be made of aluminium. Probably 7075 T6 spec. They require a Torx T20 key to tighten too.

http://r2-bike.com/AX-Lightness-Bremsschuhe-Carbon

http://r2-bike.com/Trickstuff-ubs-bremsscheibenschrauben-aluminium


Ciao, ;)
Being a snob is an expensive hobby.

jz4nyc
Posts: 663
Joined: Sat Aug 30, 2008 7:07 am

by jz4nyc

fdegrove--wow, that site is the mother lode of ax lightness stuff. i forgot they made frames too. very fancy!

and thanks to everyone for your help.

by Weenie


jz4nyc
Posts: 663
Joined: Sat Aug 30, 2008 7:07 am

by jz4nyc

FYI, AX Lightness informed me the bolt is M5x12.

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