Size 17" (medium) Salsa Beargrease - fully carbon - carbon frame, fork, wheels, bars, cranks, etc 11 speed SRAM X01 10-42t cassette and shifter XX1 derailleur Cane Creek headset Thompson seat post and stem WTB Silverado seat/saddle Whiskey no.9 carbon wheelset 26" Jumbo Jim and 45nrth tires this thing is an absolute monster truck but weighs less than your XC bike - I have climbed up green canyon faster on this in the groomed snow than my time on my full suspension in the summer. Thing rips