The truvativ holzfeller 318m stem whether you re trying to hold your line on a jackhammer descent or stick a landing on a 20 foot gap jump you need confidence and control the heart of the beefy holzfeller stem is its 6066 aluminum body 3d forged into a thing of beauty with all new graphics it takes design cues from the lighter aka stem but has added strength for the most extreme dh and freeride situations the holzfeller features a 2 bolt steerer clamp and 4 bolt handlebar clamp and weigh