TOOPRE TC4 Titanium Bicycle Stem Top Cap Kit, 28.6mm Headset Cover Set with PVD Coating and Colorful Screw
The TOOPRE TC4 Titanium Stem Top Cap Kit is a lightweight and decorative headset upgrade designed for 28.6mm universal applications. Made from TC4 titanium alloy, it features PVD coating, a fine-thread screw design, and a waterproof rubber ring for a refined balance of strength, corrosion resistance, and practical sealing performance. With multiple color and pattern options shown in the product images, this kit is ideal for riders looking to add a more distinctive finishing detail to their bicycle cockpit.
Descriptions
The TOOPRE Stem Top Cap Kit is a lightweight and decorative upgrade for bicycle cockpit setups, designed for riders who want both refined detailing and premium material performance. Made from TC4 titanium alloy, this set combines high strength, low weight, corrosion resistance, and careful workmanship in a compact component for mountain bikes and road bikes.
Based on the product images and provided information, this kit features a lightweight hollow structure, PVD vacuum coating, and a waterproof oil seal design with rubber ring support to help reduce water seepage into the front fork or head tube area. The set also uses a fine-thread screw structure processed for stable fastening and a clean finished appearance. Multiple style options shown in the images, including Totem, Galaxy, and Vortex style faces, give the product a more customized look while keeping the overall design practical and lightweight.
Key Selling Points
- TC4 titanium alloy construction
- Designed for 28.6mm universal stem top cap application
- Lightweight hollow structure with waterproof property
- PVD-coated finish for color richness and improved surface hardness
- Fine thread pitch for secure fastening
- Includes waterproof rubber ring
- Multiple color and face pattern options shown in the images
- Approx. 41.41g boxed weight
Material & Craftsmanship
The product images highlight TC4 (GR5) titanium as the main material, selected for its balance of strength, toughness, corrosion resistance, and light weight. The cap and screw are shown with fine turning and slow milling, while the surface is finished with PVD vacuum coating to create a colorful appearance that is also described as resistant to fading.
The screw is shown with a semi-perforated lightweight design, helping reduce weight while maintaining a clean and precise structure. The waterproof ring detail shown in the images is intended to support better sealing performance in wet riding conditions.
Product Specifications
| Item | Details |
|---|---|
| Brand | TOOPRE |
| Product name | Stem Top Cap Kit |
| Material | TC4 titanium alloy |
| Application | Stem top cap |
| Specification | Universal 28.6mm |
| Boxed weight | Approx. 41.41g/box |
| Set weight shown | Approx. 7.97g/set |
| Screw size | M6 × 30mm |
| Socket type | No.4 hexagon socket |
| Cap diameter shown | 31.8mm |
| Waterproof ring detail | Included in product images |
Design & Packaging
This kit is presented in a TOOPRE branded metal box, giving it a more premium display and storage format compared with standard bag packaging. The images also show multiple color options, including colourful, gold, and blue, as well as different decorative face styles such as Totem, Galaxy, and Vortex. This makes the product suitable for riders who want a more personalized front-end finishing detail without moving away from lightweight performance-focused materials.
