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 Post subject: Easton R90 SL rim
PostPosted: Wed Jul 27, 2016 5:01 am 
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Joined: Wed Jan 21, 2009 6:58 am
Posts: 190
Location: Finland
Have you used the Easton R90 SL rim in your builds? How is the rim compared to for example HED belgium C2 or Belgium plus?

The rim profile is almost the same as HED belgium plus: outer/inner width 24/20 mm, height 27mm. Weight is also good, 455g.
https://www.eastoncycling.com/products/ ... r90-sl-rim

The only issue is that the 20H rim seems to be no longer available.


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 Post subject: Re: Easton R90 SL rim
PostPosted: Wed Jul 27, 2016 5:32 pm 
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Joined: Tue Apr 18, 2006 3:03 am
Posts: 2326
Location: Islip, NY
I have. They look to be made in the same factory as the Hed rims. Very high quality. It splits the difference between the two Hed offerings quite nicely.

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 Post subject: Re: Easton R90 SL rim
PostPosted: Wed Jul 27, 2016 6:20 pm 
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Joined: Wed Jan 21, 2009 6:58 am
Posts: 190
Location: Finland
That is great news., thank you.

What tyres are you using with them? A 25mm tyre is quite wide when installed to Eastons, I believe.


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 Post subject: Re: Easton R90 SL rim
PostPosted: Wed Jul 27, 2016 7:04 pm 
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Joined: Tue Apr 18, 2006 3:03 am
Posts: 2326
Location: Islip, NY
I built them for customers, but not for myself. Usually you can size down the tire (ie. 23mm tire measures 25mm). I have used all different tire widths with the wide rims I use.

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 Post subject: Re: Easton R90 SL rim
PostPosted: Fri Jul 29, 2016 6:07 pm 
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Joined: Wed Jan 21, 2009 6:58 am
Posts: 190
Location: Finland
How was the ERD: did it match the Easton spec 580?

Yes, I know I should order the spokes only when I have the rim and have checked the dimensions, but it is not very convenient to order every part separately. :oops:


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 Post subject: Re: Easton R90 SL rim
PostPosted: Fri Jul 29, 2016 9:57 pm 
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Joined: Tue Apr 18, 2006 3:03 am
Posts: 2326
Location: Islip, NY
I got about 583mm average.

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 Post subject: Re: Easton R90 SL rim
PostPosted: Sat Jul 30, 2016 5:03 pm 
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Joined: Wed Jan 21, 2009 6:58 am
Posts: 190
Location: Finland
Great, thanks.

The rim is now waiting for me to pick it up from LBS. The hub (powertap GS) is ordered (from US), hopefully the shop is able to deliver it as planned. I will get the spokes (DT Swiss aero comp, Sapim Cx Ray) once I receive confirmation for the hub.

Once I have the wheel ready & tested, I will post my comments. And also start over with the front wheel.


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 Post subject: Re: Easton R90 SL rim
PostPosted: Fri Aug 05, 2016 6:09 am 
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Joined: Mon Mar 24, 2014 9:17 pm
Posts: 431
November start building these as well www.novemberbicycles.com/blog/2016/7/28 ... ption.html

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 Post subject: Re: Easton R90 SL rim
PostPosted: Fri Aug 05, 2016 9:56 pm 
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Joined: Wed Jan 21, 2009 6:58 am
Posts: 190
Location: Finland
I started to wonder if the wheel was strong enough when built with CX Ray on both DS and NDS. I know a major US wheelbuilder builds Powertap GS / HED C2 wheels using just CX Ray. Also, the Campagnolo Zonda uses similar parts: straight pull hubs and thin 0.9 mm spokes, with a rim not as strong as the Easton. Never had any flexing issues with my Zondas.

Then again, I wouldn't like to rebuild the wheel with stronger spokes afterwards.


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 Post subject: Re: Easton R90 SL rim
PostPosted: Sat Aug 06, 2016 12:37 am 
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in the industry
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Joined: Wed Jan 19, 2011 11:14 am
Posts: 1429
Location: SYD
Show me a stronger spoke than the cXray..

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 Post subject: Re: Easton R90 SL rim
PostPosted: Sat Aug 06, 2016 1:11 am 
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Joined: Mon Mar 24, 2014 9:17 pm
Posts: 431
Source: www.novemberbicycles.com/blog/2016/5/27 ... ength.html
CX Sprint: 3564/5.2g*
Race: 3306/5.7g
CX Ray: 3168/4.25g
D-Light: 2928/4.8g
Laser: 2650/4.26g

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Racing is a three-dimensional high-speed chess game, involving hundreds of pieces on the board.


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 Post subject: Re: Easton R90 SL rim
PostPosted: Sat Aug 06, 2016 6:42 am 
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Joined: Wed Jan 21, 2009 6:58 am
Posts: 190
Location: Finland
Perhaps a poor choice of words. By stronger I meant heavier or stiffer.

The wheel could be built using heavier spokes - for example the DT Swiss aero comp - on DS to make it stiffer. Of course it could be built with heavier spokes on both sides also. But with my weight of 167 lbs and these nice rims is that really needed?


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 Post subject: Re: Easton R90 SL rim
PostPosted: Sat Aug 06, 2016 1:04 pm 
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in the industry
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Joined: Wed Jan 19, 2011 11:14 am
Posts: 1429
Location: SYD
nope at your weight the X-rays would be awesome.. the r90 rims are pretty good just choose a good hub. Well built wheels built around these hubs would be very nice

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