Upanbike Bike Stem Bicycle Adjustable Stem Riser Adaptor 31.8mm Mountain Bike Stem 5.1 inch Extend (130mm)

UPANBIKE Bike Stem 130 Degree Adjustable Bicycle Stem

75mm 90mm 130mm Handlebar Stem Riser for 31.8mm Handlebars

MTB Stem Road Bike Stem Riser Adapter

Diameter of 31.8mm bar bore clamping.
Diameter of 28.6mm (1-1/8") steering tube clamp.
-40° to +90° adjusting angles.
Made of Aluminum alloy 6061, strong but lightweight.
Free hexagon driver tools.
Three extender lengths for choice(from center to center): 75mm, 95mm, 130mm

• 【FEATURE】 – This bike stem features a precision 3D-shaped forged shaft interconnected with a precision broached clamp to create the strong, lightweight, and durable stem available. Dial-in the perfect height for your Handlebars! 
• 【BIKE STEM SIZE】- Sleek aesthetics combine with performance in this Handlebar Stem. Suitable for 31.8mm (1-1/4") handlebars, steering tube diameter 28.6mm (1-1/8") ; Extender Length: 75mm,95mm,130mm (center to center ); Weight: 0.7lbs, 0.75lbs, 0.82lbs, Please Confirm Your bike Size Before Your Purchase. 
• 【ADJUSTABLE ANGLE】- -40° to +90° adjustable angles according to your need, the adjustable stem can help you raise or lower the height of the handlebars to improve your position or comfort as you ride. so as to obtain a more comfortable riding experience 
• 【EASY INSTALLATION】- The bicycle stem is easy to install, Just connect up the bike stem riser to the original front fork stem. Four bolts clamp holds the bike handlebar securely in position. With two free hexagon screwdriver tools in the package, you can easily install it. 
• 【3D FORGED ALLOY】- This bicycle stem is made of high-quality 3D Forged aluminum alloy, sturdy and durable, not easy to deform and rust. Matte black finishing makes it extremely easy to wipe off and clean. Suitable for most MTB mountain bikes, road bikes, fixed gear bicycles, BMX, etc. 
• It’s a bike stem riser, and adapter for most bikes.Come DIY to upgrade your bike for a more comfortable riding experience