Factory produced Handbuilt Classic Series DT-Swiss wheels have X470 sleeved jointed disc specific rims with single stainless-steel eyelets (23.9x17.7). 340 CL-disc hubs: includes adapter to convert to 6-bolt / 44BCD disc and quick release skewers. Made with DT Competition double-butted spokes with ProLock Hex nipples. Black. 848 grams front 1037 grams rear.