BikeHard Challenger Gran Fondo SaddleBikeHard Challenger Gran Fondo Saddle is the lightweight choice for the longest haul on your bike. Titanium rails, extra large center cutout, high-density foam padding, and a laser-perforated microfiber cover provide ultra-high quality performance for your next century or if you just need a break from the thinline saddles that are normally found on high-performance bikes.817616021103