Originally Posted by mattcalifornia

Road ride yesterday up to Malibu. Climbed Las Flores & Rambla Pacifica up to Saddle Rock - just under 3,000' climb. Descended Tuna Canyon. Had to stop half way down to let my rims cool off. I stayed off the brakes as much as I could, but it's just impossible for certain stretches. The rims (alloy) were almost too hot to touch. I was afraid of a blowout. Anyway, the temperature was great, although it was about 75% humidity.