Description
Motone Brass Cylinder Stud Knuckles Caps – MMU070
Add a touch of vintage sophistication to your Triumph’s engine bay with the Motone Brass Cylinder Stud Knuckles. These precision-engineered cylinder head covers transform exposed stud hardware into eye-catching focal points, delivering that quintessential British motorcycle aesthetic that discerning riders crave.
Each cap is cold-forged from solid brass stock, creating an exceptionally dense and durable component that develops a beautiful natural patina over time. The heavy-duty construction ensures these aren’t just decorative pieces—they’re built to withstand years of heat cycling and vibration while protecting your cylinder studs from the elements.
Key Features
Cold-Forged Solid Brass – Dense, precision-formed brass delivers superior durability and a substantial, quality feel that distinguishes them from cast alternatives.
Natural Patina Development – Living brass finish ages gracefully, developing unique character that complements vintage and custom builds.
Knuckle-Style Design – Distinctive rounded profile adds visual weight and classic motorcycle styling to your cylinder head.
Complete Set of Four – Includes all four caps needed to cover both cylinder studs, plus matching grab nuts for secure installation.
Hand-Assembled Fitment – Simple twist-on installation requires no tools and can be completed in minutes.
Technical Specifications
| Material | Solid Brass (Cold Forged) |
| Finish | Natural Brass (Patinas Over Time) |
| Quantity | Set of 4 Caps + 4 Grab Nuts |
| Installation | Hand-Thread (No Tools Required) |
| Part Number | MMU070 |
Fitment
Triumph Modern Classics (2016+): Bonneville T100, Bonneville T120, Street Twin, Street Cup, Street Scrambler, Thruxton, Thruxton R, Speed Twin, Scrambler 1200, Bobber, Speedmaster
Compatible with all liquid-cooled Triumph Twin models featuring exposed cylinder studs.
Installation
The Knuckles caps feature a simple hand-threaded installation. Position the grab nut on the stud, then thread the cap over until snug. No special tools or adhesives required. Installation time: under 5 minutes for all four caps.
Care Instructions
For those who prefer the polished look, brass can be maintained with standard metal polish. Alternatively, allow the brass to develop its natural patina for an authentic vintage appearance that grows more distinguished with each ride.
