Shimano Disc Brake Adaptors

For 74mm caliper on 51mm frame, using 180mm rotor. Includes mounting hardware.

Item Specifications: Brake Caliper Type, Post Mount, Mount | Rotor Size, Rear IS | 180 Rotor,

Shimano XTR R180P/S Disc Brake Adapter for 180mm Rotor, Post Mount, 74mm Caliper

Reference Number: 6M04C1

Optimize your mountain bike braking system with the Shimano XTR R180P/S Disc Brake Adaptor - the ultimate solution for versatile, high-performance disc brake setups. Designed for serious cyclists and gear enthusiasts, this high-quality adaptor allows seamless compatibility between larger 180mm rotors and 74mm post-mount calipers on 51mm frames, ensuring reliable stopping power on demanding trails.

Materials & Durability:

Crafted from aerospace-grade aluminum alloy, the Shimano XTR R180P/S adaptor offers exceptional strength while maintaining lightweight efficiency. Its corrosion-resistant finish ensures durability in all weather conditions, making it perfect for aggressive trail riding and mountain biking adventures.

Performance & Engineering:

Engineered for precision, this adaptor guarantees a secure, vibration-free connection between your caliper and rotor. With Shimano's advanced manufacturing standards, it ensures optimal alignment and consistent braking performance, even under high-stress conditions. The 180mm rotor compatibility provides increased braking leverage and heat dissipation for superior control on steep descents.

Components & Technology:

Includes all necessary mounting hardware for quick and straightforward installation. Designed with Shimano's post-mount compatibility (rear IS mount), this adaptor supports enhanced brake modulation and reliable stopping power, making it a critical component for upgrading your existing disc brake system.

Style & Use Case:

Built for trail, enduro, and mountain biking enthusiasts, this adaptor ensures your setup is both functionally superior and visually sleek. Its compatibility with 180mm rotors is ideal for riders seeking increased stopping power, whether tackling technical descents or high-speed descents on rugged terrain.

Innovative & Differentiating Features:

- Allows use of 180mm rotors with 74mm post-mount calipers on 51mm frames

- Precision-machined from high-strength aluminum alloy for lightweight durability

- Includes all necessary hardware for easy installation and reliable performance

- Compatible with Shimano's renowned XTR components for seamless integration

Upgrade your bike's braking system with the Shimano XTR R180P/S Disc Brake Adaptor - engineered for precision, durability, and optimal performance across demanding mountain biking conditions. Perfect for riders looking to enhance their braking power with larger rotors and customizable setups.

  • Optimized for Shimano XTR's high-performance braking system, this R180P/S Disc Brake Adaptor is engineered for precise compatibility with 180mm rotors on 74mm calipers, ensuring strong and consistent braking power.
  • Constructed from durable, lightweight materials, this adaptor provides reliable performance under demanding trail, enduro, and mountain biking conditions, while maintaining a sleek, low-profile design.
  • Featuring advanced post-mount technology, it includes all necessary mounting hardware for hassle-free installation and optimized brake alignment, reducing setup time and ensuring optimal braking efficiency.
  • Designed specifically for 51mm frame widths with 180mm rotors, this adaptor supports versatile bike builds and upgrade options, enhancing your bike's stopping power and modulation for technical descents and high-speed rides.
  • With its innovative engineering and compatibility with Shimano XTR components, this disc brake adaptor delivers superior performance, enhanced control, and style for serious mountain biking enthusiasts and high-performance riders.
Item Specifications
Brake Caliper TypePost Mount
Mount | Rotor SizeRear IS | 180 Rotor

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365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States

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