Precision Replacement Hanger for Trek Madone and Speed Concept Models
Description
Description
The Pilo D331 derailleur hanger is an essential replacement part designed for optimal performance and reliability for Trek road and triathlon bikes. Whether you're a competitive cyclist or an avid rider, this derailleur hanger ensures your drivetrain maintains smooth and efficient gear shifts, even after intense usage.
Precision-Crafted for Trek Models: This hanger is specifically engineered to fit a range of Trek models, including the 2012-2013 Cronus CX Pro, Speed Concept, and Madone series bikes. Its design is tailored for both road and triathlon frames, making it versatile for various types of high-performance riding.
Durable CNC Machined Construction: The D331 derailleur hanger is CNC machined from high-quality 6061 T651 aluminum, offering exceptional durability while remaining lightweight. This precision crafting ensures an exact fit for the bike models it is compatible with, contributing to hassle-free installation and long-term use.
Anodized for Enhanced Protection: The hanger features an anodized coating that provides protection against corrosion and environmental wear. This added layer ensures that the hanger remains resilient even in harsh weather conditions or after extended use, maintaining its performance over time.
This part is a must-have spare, offering peace of mind for serious cyclists looking to maintain their bike’s performance at its peak.

Features
Features
Specifications
Specifications
Shipping Policy
Shipping Policy
We ship across India with free shipping on orders above ₹2,000 (₹99 for orders below ₹2,000). Cash on Delivery is available up to ₹20,000, with additional COD fees based on order value. Orders typically arrive within 3–6 working days, though delays may occur.
Note: Most Shimano products may take longer to ship. View full shipping policy
Returns & Refunds
Returns & Refunds
Here's a quick overview of our return and refund policy:
- 7-Day Return Window: You can initiate a return within 7 days of receiving your product.
- Eligibility: Items must be unused, in original condition, with all tags and packaging. Only select items like apparel (helmets, jerseys, gloves, etc.) are eligible.
- Non-Returnable Items: Wetsuits and items discounted over 5% are not eligible for returns.
- Compatibility Issues: Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. If you're unsure, please contact us before ordering.
- Shipping & Processing: Return shipping is to be arranged by the customer. No pickups available.
- Refund Options: Choose between exchange, store credit, or monetary refund (after deductions for shipping and transaction fees).
- Order Cancellations: Only possible before the order is processed.
For full details, visit our Return & Refund Policy page.