Product detailsBCA 29 In. SC29 Mountain Bike, Gray/Orange: Great News! If you select Site to Store delivery, you can call your local store as complimentary assembly may be offered at that location. Aluminum Frame 29″ Wheels Front suspension fork Front Disc brake and rear linear pull brake 21-speed drive-train with Shimano rear derailleur Quick Release seat-post clamp Stand-over Height: 33″ Recommended Age: 14 up Rider Height: 5’6″ up Customer Service: 1-800-451-KENT Kent. Bike/pages/download-manualsSpecificationsBrand:BCABicycle Type:Mountain BikesBicycle Wheel Diameter:29\”Age Group:Adult, TeenNumber of Speeds:21 SpeedColor:Gray/OrangeFrame Material:AluminumAssembled Product Dimensions (L x W x H):58.00 x 7.50 x 29.50 Inches