Frame27.5″ Alloy ForkAlloy / SR SUNTOUR 27.5 Disk BrakeHIDRAULIC 160MM Shifters:R/L SHIMANO 7/3 SPEED Derailleur:F/R SHIMANO Cassette:SHIMANO 7-SPEED Chain:KMC 7 SPEED Tire:COMPASS 27.5âX2.125MM