Mountain Bike Handlebar Front Compatible withk Stem Riser Extender Extension Head Up Adaptor Mountain Bike Bicycle Handlebar Compatible withk Stem Riser Features: - This Mountain Bike Bicycle Handlebar Compatible withk Stem Riser made of high-strength aluminum alloy, anti-corrosion, non-deCompatible withmation, and durable Compatible with long time use. - The Mountain Bike Bicycle Handlebar Compatible withk Stem Riser can freely adjust the gasket to fit your own height. - The Mountain Bike Bicycle Handlebar Compatible withk Stem Riser easy installation, just connects up the front Compatible withk stem. - This Mountain Bike Bicycle Handlebar Compatible withk Stem Riser suitable Compatible with mountain bicycle to rise up the handlebar Compatible withk stem. How to Install: 1. Insert STEM-UP onto the Compatible withk stem and place height adjusters onto STEM-UP until your preferred height level Compatible with your stem. 2. Stem and wheel in the same direction and heighten clamping bolts of the stem. Mountain Bike Bicycle Handlebar Compatible withk Stem Riser Specification: Type : Mountain Bike Bicycle Handlebar Compatible withk Stem Riser Mountain Bike Bicycle Handlebar Compatible withk Stem Riser Material : Aluminum Alloy Mountain Bike Bicycle Handlebar Compatible withk Stem Riser Base Diameter : 1 1/8" (28.6mm) Mountain Bike Bicycle Handlebar Compatible withk Stem Riser Dia : 28.6mm (standard) Total Height : 120mm; 138mm (heighten style) Mountain Bike Bicycle Handlebar Compatible withk Stem Riser Adjustable High : 70mm/100mm Mountain Bike Bicycle Handlebar Compatible withk Stem Riser Adjuster : Package Includes: 1 x Bicycle Extender