The “UI” in Nitto UI-21EX stands for “Ultimate Ideal.”

With cold-forged aluminium construction for strength and a polished finish for the classic Nitto appearance, the UI-21EX is an ideal threadless road stem.

Features

Material: Forged aluminium
Bar Clamp: 31.8mm
Post Clamp: 1-1/8″ (Steerer Clamp)
Angle: 82°
Weight: 150g (80mm)