Mongoose Men's Tyax Sport Mountain Bicycle with 29" Wheel, White Mongoose XC aluminum hardtail frame with SR Suntour XCT suspension fork with mechanical lockout Alloy wheels with Alex Td25 double wall 32 hole rims and alloy Disc hubs, 14g stainless steel spokes Shimano 24 speed drive train with Shimano Acera 8 speed rear derailleur, Shimano M190 front der, Shimano SL 310 trigger shifters & KMC Z72 chain Promax hydraulic disc brakes Kenda small block eight 29 inch x 2.1 tires