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THE new Ksyrium SL; what about the rim strengh?¿(4 posts)

THE new Ksyrium SL; what about the rim strengh?¿Cyclorocket
Oct 23, 2001 3:45 PM
Has everybody knows the K'sSL will be The wheelset in 2002, BUT has Mavic said they have cut 20g ALuminium in each rim, I'm scared that this loss of metal will make the wheels lose stiffness.

What are your points on this ?¿
Do K's are somewhat aero like Rolf Pro or Zipp 303 or is it the same as Open Pro/DA 28-32 ?¿

-Tkx again buddies
re: THE new Ksyrium SL; what about the rim strengh?¿TJeanloz
Oct 23, 2001 4:09 PM
I wouldn't worry about rim strength. Mavic reduced rim weight by about 20g, but that's less than 5% of the rim weight (~420g). And Mavic's always lying about weight anyways, so it was probably more like 10g.

In terms of Aero, probably similar to the Rolf (Bontrager?) Vector Pro, less aero than the Zipp 303, more aero than the Open Pro.
Yes Bontrager(owned by Trek) is RolfCyclorocket
Oct 23, 2001 5:16 PM
Rolf(the guy) stops is art and Trek via Bontrager resolves the problem: the technology goes to them for a big amont of cash.
Not exactly...TJeanloz
Oct 23, 2001 5:39 PM
Rolf's technology stays with Rolf, and will be marketed under the "Rolf Prima" name. Trek is apparently narrowly avoiding the Rolf patents. I don't know if the Vector Pro design is one that Bontrager has effectively borrowed. For more info: