Which Lefty Carbon Steerer do i need?

Discuss light weight issues concerning mountain bikes & parts.

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danridesbikes
Posts: 31
Joined: Wed Feb 24, 2010 8:27 pm

by danridesbikes

Hi,

im lost in translation,

i have a Scalpel and a Lefty Speed - i want to use a 1 1/8" stem

which option from r2 do i need?

Cannondale
Other Brand
Tapered

http://r2-bike.com/EP-Lefty-Steerer-Tube

thanks

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cerro
Posts: 1383
Joined: Fri May 12, 2006 2:11 pm
Location: Stockholm, Sweden
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by cerro

Cannondale. Everyone are for 1 1/8 so you choosing depends on frame and headset
/jonas l
http://cerrol.wordpress.com (my cyclingblog)

willymcd
Posts: 18
Joined: Sat Jul 11, 2009 8:27 am

by willymcd

danridesbikes wrote:Hi,

im lost in translation,

i have a Scalpel and a Lefty Speed - i want to use a 1 1/8" stem

which option from r2 do i need?

Cannondale
Other Brand
Tapered

http://r2-bike.com/EP-Lefty-Steerer-Tube" onclick="window.open(this.href);return false;

thanks


If I'm not mistaken you want the one that says cannondale, just pick your preferred color. the other ones are for non cannondale frames. Seems like a lot money for very little weight savings and the ability to run a non cannondale stem. Although I want one cause I am using the tank of a steerer from project 123.

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Mattias Hellöre
in the industry
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Joined: Fri Sep 23, 2005 6:34 pm
Location: Insjön, SWEDEN
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by Mattias Hellöre

That´s me who build these Lefty steerer tubes, you should take a Cannondale , they all are with 1 1/8 tube to clamp a stem on.

The other question is if it´s a lot of money for a little weight saving?
Project 321 stated their Lefty tube for 1 1/8 frame is 149 grams, which mine hovering in around sub 80 grams, have made around 10 pcs in 66 gram mark with these so you get basically 2€ per gram saved, not too bad in my book.

Think about where you can lower a part with around 70 grams with 170 euro investment.

If you want a more bulletproof product, take a MCFK, they have good reputation and better availability.
Experimental Prototype

Farnit
Posts: 35
Joined: Thu Feb 04, 2010 7:58 pm
Location: Spain

by Farnit

You need a clamp to reduce from 1/5 to 1 1/8

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