Description
Transform your Triumph’s front end with a precision-machined brass accent that delivers both eye-catching vintage style and reliable functionality for your daily rides. The Motone “The Boss” MK.II Steering Stem Nut replaces your stock top yoke nut with premium CZ121 brass construction that adds a distinctive golden touch to your motorcycle’s cockpit.
Key Features
Premium Brass Billet Construction
CNC-machined from solid CZ121 brass billet ensures superior strength and corrosion resistance while developing a natural patina that enhances character over time.
Hexagonal Design for Easy Installation
Six-sided machined profile allows for straightforward installation and removal using standard tools, eliminating the need for specialized equipment during maintenance.
Natural Aging Patina
Brass material develops a rich, authentic patina over time, creating a unique vintage appearance that complements classic and custom motorcycle aesthetics.
Direct OEM Replacement
Engineered to exact factory specifications for 2016+ liquid-cooled Triumph Twins, ensuring perfect fit and secure mounting without modifications.
Lightweight Performance Design
At just 56g (0.125 lbs), this precision component adds style without unnecessary weight, maintaining your motorcycle’s balanced handling characteristics.
Technical Specifications
| Specification | Detail |
|---|---|
| Product Code | MMU068 |
| Material | CZ121 Brass Billet |
| Finish | Natural Brass (develops patina) |
| Weight | 56g (0.125 lbs) |
| Design | Hexagonal (6-sided) |
| Manufacturing | CNC Machined + Hand Finished |
| Thread Spec | OEM Compatible |
| Compatibility | 2016+ Triumph Twins (Liquid-Cooled) – Street Twin, Speed Twin – Street Scrambler, Scrambler 900 – Street Cup – Bobber, Speedmaster – Thruxton – Scrambler 1200 – T100, T120 |
| Note | May include minor surface marks typical of brass material; no installation manual included |
Installation Notes
Installation is straightforward using standard hex tools. Remove the factory top yoke nut, clean the threads, and install the Motone brass nut with appropriate torque specifications per your Triumph service manual. The natural brass finish will develop character over time – this is a normal and desirable characteristic of the material.












