Star Union DP12 2.3mm Stainless Steel 6-Bolt Disc Brake Rotor for MTB, E-Bike & Road Bike (160mm, 180mm, 203mm)

$13.90
$13.90 $25.00
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Key Feature:

1. 1 Rotor + 6 Mounting Bolts – Each selected size includes one DP12 rotor and six stainless steel mounting bolts.
2. 2.3mm Heavy-Duty Design – Thick stainless steel construction improves stiffness, heat capacity, and braking stability.
3. 3 Size Options – Available in 160mm, 180mm, and 203mm for different bikes and riding needs.
4. Standard 6-Bolt Mount – Fits compatible bicycle hubs with a standard 44mm 6-bolt pattern.
5. Efficient Heat Dissipation – Hollow-cut design improves airflow and helps reduce heat buildup during heavy braking.
6. Built for Demanding Rides – Suitable for MTB, e-bikes, cargo bikes, downhill, road, gravel, and commuter bikes.

🚚 Ships from Our California Warehouse · 3–6 Day U.S. Delivery
🛡️ 1-Year Product Warranty · 30-Day Returns
💬 Fast Compatibility Support · Reply Within 8 Hours
Product description

STAR UNION DP12 2.3MM DISC BRAKE ROTOR

The STAR UNION DP12 is a heavy-duty stainless steel disc brake rotor designed for stronger, more consistent braking under demanding riding conditions.

Its 2.3mm braking surface provides increased stiffness and heat capacity, while the hollow-cut design helps dissipate heat during repeated braking. Available in 160mm, 180mm, and 203mm for different bikes and riding styles.

KEY FEATURES

• 2.3mm heavy-duty stainless steel rotor
• Available in 160mm / 180mm / 203mm
• Standard 44mm 6-bolt mounting
• Efficient heat dissipation design
• Compatible with hydraulic and mechanical disc brakes
• 1 selected rotor + 6 stainless steel mounting bolts included

SIZE OPTIONS

DP12-160
• Diameter: 160mm
• Weight: Approx. 166g
• Recommended for road, gravel, commuter, and light MTB riding

DP12-180
• Diameter: 180mm
• Weight: Approx. 209g
• Recommended for MTB, trail riding, e-bikes, and stronger braking needs

DP12-203
• Diameter: 203mm
• Weight: Approx. 240g
• Recommended for downhill, high-power e-bikes, cargo bikes, and demanding riding conditions

CHECK COMPATIBILITY

Before ordering, please confirm:

• Your hub uses a standard 6-bolt rotor mount
• Your brake caliper supports a 2.3mm rotor
• Your frame and fork support the selected rotor diameter
• The correct brake adapter is used when changing rotor size

WHAT’S INCLUDED

• 1 × DP12 Disc Brake Rotor in Your Selected Size
• 6 × Stainless Steel Mounting Bolts

NOT INCLUDED

• Brake Caliper
• Brake Pads
• Brake Adapter
• Installation Tools

PRODUCT DETAILS

Model: DP12
Material: Stainless Steel
Thickness: 2.3mm
Sizes: 160mm / 180mm / 203mm
Mount Type: Standard 6-Bolt
Bolt Circle Diameter: 44mm
Color: Silver
Brake Systems: Hydraulic / Mechanical Disc Brakes

FAQ

Q: Which size should I choose?
A: Choose the rotor size supported by your current brake setup, frame, fork, and adapter.

Q: Are mounting bolts included?
A: Yes. Each selected DP12 rotor includes six stainless steel mounting bolts.

Q: Can I replace a 1.8mm rotor with this 2.3mm rotor?
A: Only if your brake caliper has enough clearance for a 2.3mm rotor. Please check before ordering.

Shipping & Return

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.