Size: Handlebar Diameter: 31.8mm(1.25'') , fork steerer diameter: 28.6mm(1-1/8"). Most MTB and road bike, gravel bike are this size. Height: 40mm.
Ultralight Weight: this UNO 7 degree 90mm stem only 101g while other brand 90mm stem are 120-130grams. Super lightweight. 7-90mm: 101g. 7-130mm: 122g. 17-90mm: 105g. 17-130mm: 130g
Length: 60/70/80/90/100/110/120/130mm(distance of the two holes center); Angle: ±7/ 17 degrees.
Aluminum 7075: It made from Aluminum 7075-T6 Alloy and 3D Forged , offers the strongest stiffness but lightweight.
Suitable for: Most road bike, mountain bikes, track bike, MTB, BMX, gravel bike. Most commonly used stem is 7 degree 80mm 90mm 100mm, if you do not know how to choose, just buy them. Bolts: 6pcs steel bolts, M5x16mm (need to use tool 4mm hex wrench)