Simple, classic polished 1 1/8 stem with 31.8 clamp, works so well with steel frame bikes.
The threadless stems from Nitto.
The “UI” in Nitto UI-2 BX stands for “Ultimate Ideal.”
With cold-forged aluminum construction for strength and a polished finish for that classic Nitto appearance, the 21 EX truly is an ideal threadless road stem.
This is the UI-22 EX:
- Handlebar clamp diameter: 31.8mm
- Steerer clamp diameter: 28.6mm (1-1/8″)
- Angle: 73deg
- Weight: 174g approx (90mm stem)