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Discussion Starter · #1 ·
I've noticed this issue with my last couple 29ers...

I can move the wheel side to side a crazy amount. I feel when coming into a corner with speed. Im unsure if its A) flexy wheel B) flexy frame C) common with all 29ers...

whats your opinion?


oh and a pic...

 

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I went from a 26er to 650b then to a 29er. I noticed what you have shown by far the most w/ the 29er wheel. I showed a buddy the flex and it was defenitly the wheel itself - Flow w/ DB spokes. On the trail I could feel the vague wander on hard turns. I have not spent enough time on 29ers to offer a solution of sort.
 

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psycho cyclo addict
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Flexy wheel for sure. The tires probably amplify it a bit but I'd definitely check for one or more super loose spokes and if there are none, consider a stiffer/beefier hoop.

I have two sets of Stans 29er wheels: Flows with DT straight spokes and 355's with DT DB's and there is no flexing like that on either wheel set.
 

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My last set of 29 wheels(flows, hope hubs) got rather flexy as they got old, at 3 yrs old they became miserably flexy and then the rear hub shell cracked. So I got some Pacenti p35's(hugi 240 bolt on rear and xt 15mm front). Problem solved. Affordable, relatively light and STIFF.
 

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Wheel Flex

this issue is known with 29er wheels.
The Velocity P35 wheels will be stiff but might be a bit wide for some at 35mm
I have found that if the Velocity Blunt wheels are built properly, they will be very rigid.
The Blunt is 23mm wide and the drilling for the spokes is offset from the center of the rim.
The drilling alternates between left and right and forms a very rigid wheel.
I have built a few and this is the immediate feedback from the riders.
This is compared to Duster, Flow, XT. I have not experiance with other wheels in 29"
 

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Discussion Starter · #6 ·
funny the wheel forum dudes say its the frame while my homers are saying its the wheels...

I'm thinking about building up a rear wheel with either a gordo or p35 rim and see if that makes any difference...

wish the sultan had a 142 rear end...
 

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www.derbyrims.com
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Saar G7 said:
this issue is known with 29er wheels.
The Velocity P35 wheels will be stiff but might be a bit wide for some at 35mm
I have found that if the Velocity Blunt wheels are built properly, they will be very rigid.
The Blunt is 23mm wide ..
Measuring my P35 and Blunt rims... outer width is 35mm and 28mm. They both have 2mm side wall bead hooks, so inner width 31mm and 24mm. These Velocity rims are light for their width, but dent easily if tire pressures are too low for rock conditions.
 

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Just an fyy straight guage spokes make for a substantially stiffer wheel
 

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I have spinergy xyclone wheels which replaced a set of Salsa Delgado/deore wheels(when grabbed like that swayed too and fro an uncomfortable amount) and felt a big improvement, but they are not as stiff as my friends havens... that being said the xyclones also feel stronger(not stiffer) for a larger potentially wheel crushing rider like myself :)
Josh
 
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