Bicycle Stems Stems can be found in lightweight aluminum or constructed of carbon fiber to produce a crucial part of your cockpit. Downhilll riders may look for heavier and stiffer stems, while XC or road racers may want the lightest stem they can find. Bob's Bicycles offers options for both styles of riders and everything in-between from manufacturers like Easton, Race Face, and Ritchey Brands from - 3T, Deda Elementi, Easton, ENVE, FSA, HED, Niner, Profile Design, Ritchey, Rotor, Thomson, Twenty6 & Zipp |