Product Details HC10E 26in Womens ATB Tundra - 26" 21-Speed Women's ATB Bike. It features a hi-ten steel, hydroformed frame; Kolo 5200 suspension fork; steel linear pull brakes; alloy rims; Enzo 21-speed twist shifting; padded seat with stitched sides; alloy quick release seat for easy adjustment; Kolo front load stem and Krayton grips