Contact Mike Garcia at www.oddsandendos.com (1-866-292-0124) to get his input on the Synergy rims vs some of the other choices around. He built me a set of wheels using the Synergy rims and they have held up well so far. The rear rim is asymmetrical to reduce the amount of wheel dish. I've been quite happy with the Velocity Synergy rims.
I'm fairly light, but as the Synergy rims are fairly narrow, they may not be as stiff laterally as a stouter rim. I would not choose the Synergy rims as a freeride rim. However, I chose the Synergy rims because Mike Garcia said that they are a bit more durable than the race-oriented Mavic XC 717 rims. Again, Mike Garcia can probably give you more detailed information and a better comparison to other rim choices.
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