Specifications:

• Riser range: about 3mm-50mm/1.18 x 1.97"
• Material: Aluminum
• ITEM: Mountain Bike Handlebar Front Fork Stem Riser
• Height: 36 - 45mm
• Handlebar Clamp Diameter: 20 - 22.5mm
• Fork Clamp Diameter: none
• Application: for inner diameter between 24.6-25.4mm