Originally Posted by laffin_boy

I built them. Used Velocity A23 24H rims that I could only find at Velocity (= expensive) Good rims, light but don't recommend Velocity as a good company to deal with. Unfortunately I bought Shimano Tiagra 36H hubs (skip every 3rd hole) to save $ but they're really heavy hubs. (would go to BikeHubStore.com next time) Bought custom sized Laser / Race Sapim spokes from yojimbo on eBay which aren't cheap either but are light & strong.
They're long reach Tektro R559's - the successor to the 556. Work great on the Swift with 451 wheels.