Ritchey Trail Mountain Bike Stem (31.8mm)Engineered for the rigours of modern mountain bike (MTB) trail-riding, this high-quality stem features a tough 6061 alloy construction that ensures a strong and reliable connection between your handlebar and your fork’s steerer tube. Ritchey has also equipped this model with stainless steel bolts, so you can securely fasten it to your ride and enjoy a rock-solid interface on the most demanding of trail-riding conditions.Trail-Ready MTB StemThe Ritchey Trail Stem represents the brand’s first stem specifically designed for today’s 5-6" travel trail bikes using wide bars. More than just a beefed-up version of its other stems, with the Trail stem they revised the clamp to fit a wider variety of riser bar bends - still packing a dramatic increase in stiffness and strength. The extra-wide bar clamp takes stiffness to the next level, fits most riser bars, and ensures plenty of confident control out on the trail.Features: Stem Material: 6061 Alloy Bolts Material: Stainless Steel Use: MTB Length: Multiple options available to select Angle: 0° Bar Clamp Diameter: 31.8mm Bar Clamp Width: 41mm Steerer Diameter: 1-1/8" (28.6mm) Steerer Height: 42mm Weight: 135g (70mm option)Buy Ritchey Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.