Star Union DP12 2.3mm Stainless Steel 6-Bolt Disc Brake Rotor for MTB, E-Bike & Road Bike (160mm, 180mm, 203mm)
Key Feature:
Overview
The Star Union DP12 Disc Rotor is designed for riders who demand stronger braking performance and greater durability in demanding riding conditions. Manufactured from high-strength stainless steel with a 2.3mm thick braking surface, it provides increased stiffness, improved heat capacity, and stable braking performance under higher braking loads.
The hollow-carved ventilation design helps improve airflow for efficient heat dissipation while reducing weight and clearing mud and debris. Available in 160mm, 180mm, and 203mm, the DP12 rotor is an ideal choice for high-power e-bikes, mountain bikes, downhill riding, cargo bikes, and other heavy-duty applications.
Compatibility
- Compatible with MTB, E-Bike, Road Bike, Gravel Bike, Hybrid Bike, Trekking Bike, and Commuter Bike disc brake systems
- Fits standard 6-bolt rotor mounts
- Compatible with most hydraulic and mechanical disc brake calipers
- Available in 160mm, 180mm, and 203mm rotor diameters
- Rotor thickness: 2.3mm
Size Options & Weight
DP12-160
- Diameter: 160mm (6.3")
- Thickness: 2.3mm
- Weight: Approx. 166g
- Recommended for road bikes, gravel bikes, commuter bikes, and light MTB riding.
DP12-180
- Diameter: 180mm (7.09")
- Thickness: 2.3mm
- Weight: Approx. 209g
- Recommended for MTB, trail riding, e-bikes, and riders seeking increased braking power.
DP12-203
- Diameter: 203mm (8.0")
- Thickness: 2.3mm
- Weight: Approx. 240g
- Recommended for downhill riding, high-power e-bikes, cargo bikes, and other demanding riding conditions requiring maximum braking performance.
Specifications
| Item | Specification |
|---|---|
| Product Name | DP12 Disc Rotor |
| Material | Stainless Steel |
| Rotor Thickness | 2.3mm (0.09") |
| Mount Type | Standard 6-Bolt |
| Bolt Circle Diameter | 44mm |
| Available Sizes | 160mm / 180mm / 203mm |
| Color | Silver |
| Compatibility | MTB, E-Bike, Road Bike, Gravel Bike, Hybrid Bike & Commuter Bike |
| Brake Systems | Hydraulic & Mechanical Disc Brake Systems |
| Package Includes | 1 × Disc Rotor, 6 × Stainless Steel Mounting Bolts |
FAQ
What bikes is the DP12 Disc Rotor compatible with?
The DP12 Disc Rotor is compatible with mountain bikes, e-bikes, road bikes, gravel bikes, hybrid bikes, trekking bikes, and commuter bikes equipped with a standard 6-bolt disc brake hub.
Is it compatible with hydraulic disc brake systems?
Yes. The DP12 Disc Rotor is compatible with most hydraulic and mechanical disc brake systems that use a standard 6-bolt rotor.
Does the package include mounting bolts?
Yes. Each DP12 Disc Rotor includes six stainless steel mounting bolts for easy installation.
Why choose a 2.3mm rotor?
Compared with standard 1.8mm rotors, the 2.3mm thick braking surface offers increased stiffness, greater heat capacity, improved resistance to brake fade, and enhanced durability under heavy braking. It is especially suitable for high-power e-bikes, downhill riding, cargo bikes, and riders who require stronger, more consistent braking performance.
Most U.S. orders ship from our U.S. warehouse and are usually delivered within 3–6 days.
Orders to other countries, out-of-stock items, and customized products may ship from China and are usually delivered within approximately 14 days.
We want you to be completely satisfied with your purchase. If you have any questions, concerns, or complaints, please contact our online support team or email us at grt@star-union.net. We will respond within 8 hours.
Items can be returned or exchanged within 30 days of delivery. Please contact us before returning an item so we can help you with the next steps.