Mongoose TYAX Sport Men's Mountain Bike Mongoose XC aluminum hardtail frame with SR Suntour XCT V3 mlo w/100 mm travel and lockout Alloy wheels with Alex Td25 double wall 32 hole rims and alloy q.R. Disc hubs, stainless steel spokes SRAM 24 speed drive train with SRAM X4 rear derailleur, XCM front derailleur, SRAM X4 trigger shifters & KMC Z72 Promax mechanical disc brakes w/160 mm rotors on front & rear Kenda small block eight 26 inch x 2.1 tires