Vuelta Corsa Carbon 50 LE Wheelset. If you've got a brand new 11 speed groupset and are hankering for some speedy new wheels, then you need the Vuelta Corsa Carbon 50 LE wheelset. Why go carbon That's easy. Carbon wheels are stiff, they're light and they're fast. But here's where the Vuelta Corsa Carbon stands apart: what most carbon wheels don't always do well is brake in some road conditions. That's why Vuelta introduced the Corsa Carbon 50 LE road bike wheelset. It's still a carbon rim, but has a bonded alloy brake track for improved stopping performance in the rain, on extreme downhills, and a few other situation where aluminum just does a little better than carbon. The hub is ShimanoSRAM 11 speed ready, and includes a spacer for Shimano 8910 speed cassettes. NOTE: Only use carbon specific brake pads included with these rims. While the brake track is alloy, it is bonded directly to carbon which can still build up heat if regular brake pads are used.