TOOPRE 50mm Downhill Bike Stem, CNC Lightweight Hollow Aluminum Stem for 28.6mm Fork with 31.8mm / 35mm Handlebar Clamp
The TOOPRE 50mm Downhill Bike Stem is a short, CNC-machined cockpit upgrade made from high-strength aluminum alloy with a lightweight hollow structure, anodized finish, and laser totem detailing. Designed for a 28.6mm fork steerer, it supports 35mm handlebars and can be converted to 31.8mm with the included reducer design, offering more flexibility for mountain bike and downhill-style setups. With its compact 50mm extension and multiple color options, it combines practical fitment with a bold custom look.
Descriptions
The TOOPRE 50mm Downhill Bike Stem is built for riders who want a short, solid, and visually distinctive cockpit component for mountain bike and downhill-style setups. Made from high-strength aluminum alloy, this stem combines CNC precision machining, a lightweight hollow structure, and an anodized finish with laser totem graphics for a clean balance of strength, low weight, and aggressive styling.
According to the provided materials and product images, this model is designed for a 28.6mm fork steerer and supports dual handlebar clamp sizes: 35mm and 31.8mm. The 35mm clamp can be converted to 31.8mm by using the included reducer sleeves, giving riders more flexibility when matching different handlebar standards. With a 50mm extension, 0° rise, and compact body shape, it is suitable for riders looking for a direct and modern front-end setup. Product images also show multiple color options including black, red, and blue.
Key Selling Points
- 50mm short stem design for downhill and mountain bike use
- Made from high-strength aluminum alloy
- Full CNC hollow integrated machining for weight reduction
- Anodized surface treatment with laser totem graphics
- Dual handlebar clamp compatibility: 35mm / 31.8mm
- Reducer design allows conversion from 35mm to 31.8mm
- Designed for 28.6mm fork steerer
- Available in black, red, and blue
- TOOPRE branded carton packaging
Material & Craftsmanship
The images specify 6061-T6 aluminum alloy material, described as offering high strength and high hardness. The stem body uses a full CNC hollow process with integrated shaping to reduce unnecessary material while keeping a compact and sturdy overall structure.
The outer surface is finished with anodizing, which the product images describe as providing strong texture, attractive color presentation, and resistance to everyday moisture exposure. The laser totem pattern adds a distinctive visual detail that fits custom mountain bike and downhill builds.
Size & Specifications
| Item | Details |
|---|---|
| Brand | TOOPRE |
| Product name | 50mm Downhill Stem |
| Material | Aluminum alloy / 6061-T6 aluminum alloy shown in images |
| Extension | 50mm |
| Fork steerer size | 28.6mm |
| Handlebar clamp size | 35mm, convertible to 31.8mm with reducer |
| Specification | 28.6 × 31.8 / 35mm |
| Rise angle | 0° |
| Overall length shown | 92mm |
| Front height shown | 55mm |
| Rear section height shown | 40mm |
| Center distance | 50mm |
| Weight shown in image | Approx. 155.4g |
| Weight provided in base info | Approx. 168g |
Packaging & Color Options
The product is shown in TOOPRE branded carton packaging, with a package size of approximately 98mm × 57mm × 53mm based on the images. Multiple color options are displayed, including black, red, and blue, allowing riders to match the stem more easily with different bike builds and cockpit styles.
