Cycling Bicycle Handlebar Stem MTB Road Bike Riser 28.6x31.8 32/60/80/90/100mm Features: Secure and easily to set your bars at the ideal height. Cold forged and heat treated for strength and stiffness. Various lengths available from the dropdown box. Lightweight & robust. How do I measure my bars/stem? your existing bars & measure the "bulge" in the centre. Will be 31.8mm Specifications: Material: Forged AL6061 Aluminium Alloy, Heat Treated, Length: 90mm handlebar ?φ31.8 fork φ28.6 Rise: ±7° Stack Height: 40mm Weight: 32mm(138g) 60mm(127g) 80mm(136g) 90mm(149g) 100mm(160g) Finish: Shot-peen anodized, logos Discipline: AM Road bike Colors: Black Package includes: 1 x Bike Stem High-Performance Tires:Upgrade your cycling experience with our high-performance tires. Engineered for optimal grip and durability, these tires ensure a smooth ride on various terrains, enhancing your biking adventures. Ergonomic Saddle for Comfort:Experience unparalleled comfort during long rides with our ergonomic saddle. Designed with rider comfort in mind, it provides the perfect blend of support and flexibility, allowing you to enjoy every journey. Precision Gear Shifting System:Take control of your ride with our precision gear shifting system. Smooth transitions between gears guarantee a seamless cycling experience, allowing you to effortlessly adapt to changing terrains and speeds. Lightweight and Durable Frame:Our bicycle frames strike the perfect balance between lightweight design and durability. Crafted from high-quality materials, they ensure a sturdy yet agile ride, making your cycling adventures both enjoyable and reliable. Advanced LED Lighting System:Illuminate your path with our advanced LED lighting system. Whether you're cycling in low-light conditions or exploring the great outdoors at night, these lights provide enhanced visibility and safety for a worry-free biking experience.