The Pilo D421 Derailleur Hanger is a high-quality replacement component engineered for precision and durability. Designed for multiple premium bike brands, it restores accurate shifting performance and safeguards your frame against drivetrain impacts.

CNC-Machined for Superior Accuracy: Manufactured by Pilo Ltd using advanced CNC technology, the D421 ensures perfect alignment and a precise fit. This meticulous engineering helps maintain optimal drivetrain function and smooth, consistent gear transitions.

Premium 6061 T6511 Aluminum Construction: Made from 6061 T6511 ASTM B221 billet aluminum, this hanger offers exceptional strength-to-weight balance. Its hard black anodized coating provides enhanced resistance to corrosion, wear and environmental damage.

Wide Compatibility Across Leading Brands: The D421 is compatible with various models from BH, BMW, Chiru, Kross and Pells. It’s an ideal replacement part for riders seeking reliability, precision and longevity across different bike types.

Each Pilo D421 Derailleur Hanger includes mounting hardware for quick and secure installation. Produced in an ISO 9001:2015 certified facility, it guarantees consistent quality and performance trusted by cyclists worldwide.

Features

• CNC-Machined Accuracy: Crafted by Pilo Ltd using advanced CNC technology to ensure perfect derailleur alignment and consistent shifting performance.
• High-Strength Aluminum Construction: Built from 6061 T6511 ASTM B221 billet aluminum for an ideal balance of strength, stiffness and lightweight performance.
• Durable Hard Anodized Coating: Features a hard black anodized finish that resists corrosion, scratches and environmental wear for long-lasting reliability.
• Multi-Brand Compatibility: Designed to fit models from BH, BMW, Chiru, Kross and Pells, offering versatile application across multiple premium bike brands.
• Includes Mounting Hardware: Supplied with bolts for quick and secure installation, ensuring a precise fit and easy setup in both workshop and home use.

Specifications

• Bike Brand: BH, BMW, Chiru, Kross, Pells
• Manufacturing Method: CNC-Machined
• Material: 6061 T6511 ASTM B221 Billet Aluminum
• Finish: Hard Black Anodized
  
• Included: Mounting Hardware
• Axle Diameter: 10 mm (Standard QR / 9 mm)
• Number of Fasteners: 2
• Bolt Diameter: 4 mm
• Certification: ISO 9001:2015 Certified Production Facility

Compatible brands

• BH, BMW, Chiru, Kross, Pells