Profile Racing Nova 31.8 Stem (Black) (53mm)

Profile Racing Nova 31.8mm Stem Description:

The Profile Nova 31.8mm stem features a frontload design that’s CNC machined in the USA from aircraft grade aluminum to fit 31.8mm diameter race handlebars for maximum strength and rigidity. A large hollow center section and grooved faceplate help shed weight while the laser-etched Profile logos give a clean look.

Note: Designed to fit 31.8mm handlebars only! Standard size handlebars are 7/8″.

Specifications:

• Reach: 48mm, 53mm, & 58mm
• Clamp Diameter: 31.8mm
• Rise: 20mm
• Stack Height: 39.7mm (1-9/16″)
• Width: –
• Clamp Bolts: 5/16″ x 18tpi (x4)
• Pinch Bolts: 5/16″ x 18tpi (x2)
• Color: Black
• Weight: 9.2 oz (48mm) – 9.7 oz (53mm) – 10.2 oz (58mm)

Click here to browse our selection of hex (allen) tools to install your stem.

Check out our video below to learn how to install your BMX stem and handlebars and get some pro tips in doing so.

This product was added to our catalog on June 30, 2025