31.8mm Mountain Road Bike Stem Ultra-light 45 Degrees Aluminum Alloy Handlebar Riser Increase Device

--Mountain Road Bike Stem Ultra Light Riser, 45 degree 31.8MM front fork 28.6 heightening accessories

--Application: Fit for most mountain bikes, trekking bikes and road bikes.

--Durable Material: it has been strengthened and upgraded by various processes to achieve high quality, corrosion resistance, and aging resistance.

--Material: it made of aluminum alloy,high strength,suitable for long distance riding and travel.

--Specifications: 65x52.5x31.8x28.6MM