1. Handlebar Diameter: 31.8mm(1.25''), Fork Tube Diameter: 28.6mm, Length: 90mm, Rise Angle: 35 Degree. 35degree bike handlebar stem gives you a justright connection for ultimate control. Before you make a move, take a moment to doublecheck the handlebar and fork sizes. 2. With the 35degree rise, you'll enjoy improved handling and maneuverability, making it easier to navigate tight corners, switchbacks, and various terrains with confidence. The 31.8 bike head stem has been engineered and tested to deliver consistent and reliable performance. 3. The 31.8mm bicycle neck stem is crafted from topnotch aluminum alloy. Feel the power of its incredible strength, the dom of its lightweight design, and the assurance of unbeatable durability. 4. Installing the mountain bike steering stem is easy, thanks to its userfriendly design and compatibility with standard bike components. Remove the old bike stem from the frame, put the stem in place, and tighten the bike stem screws. 5. The 31.8 90mm bicycle stem is versatile and works seamlessly with a range of bike types, including mountain biking, road cycling, urban commuting, folding bike, track bike, MTB, and BMX. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.