Bike Stem Riser 28.6mm Rise Range 3 to 50mm Aluminium Alloy Light Weight Stem Extender for Road Mountain Bike

Unique Design: heightening design, inbuilt fork vertical tube installation , no heightening traces, say goodbye to the traditional heightening , butiful and generous.

adjustment: heightening range, equipped with 5mm x 1, 10mm x 2, 20mm x 1 spacers, incrse or decrse to adjust, the extension range of height is about 300CMm to 50mm. Light Weight: This bike fork stem extender is small in size and light in weight, pose no burden to your bike. Item Type: Bike Stem Riser Material: Aluminium Alloy Suitable Inside Diameter: 24.6mm to 25.4mm / 0.97in to 1in Height Extend Range: 300CMm to 50mm / 0.12in to 1.97in