Shimano
XTR F180P/P Disc Brake Adaptor
Best high-performance upgrade for serious mountain bikers seeking reliable braking precision.
Elevate your cycling experience with the Shimano XTR F180P/P Disc Brake Adaptor, a key component from Shimano's elite XTR line. Engineered for high-performance setups, this adaptor ensures secure and precise disc brake mounting, guaranteeing optimal compatibility and function. Its design embodies the durability and quality synonymous with Shimano, offering a reliable solution for riders who demand consistent braking power. This adaptor is essential for maintaining the integrity and effectiveness of your bicycle's stopping system, especially on challenging terrain.
$19.99
Owner Satisfaction
4.7
/ 5
Category Rank
68
/ 2101
#68 in Components
Price vs Category Average
-81%
Below average
Model Number
90180
/ ISMMAFPPC
Who it's for
- Performance riders demanding reliable, long-lasting braking precision
- Mountain bikers seeking improved stopping power and heat management
- Weight-conscious racers prioritizing high-end, lightweight componentry
Who should skip it
- Budget-focused cyclists preferring more affordable, functional alternatives
- Riders needing versatile hardware for varied rotor configurations
- Home mechanics lacking experience with precise, tight-tolerance installations
Performance breakdown
Mounting Precision
Engineered tolerances ensure perfect caliper alignment for consistent rotor contact.
Structural Rigidity
High-grade alloy construction eliminates brake flex under heavy deceleration loads.
Compatibility Range
Seamlessly integrates with standard post-mount systems for 180mm rotor setups.
Weight Efficiency
Minimalist design keeps unsprung mass low without sacrificing essential structural integrity.
Installation Ease
Straightforward bolt-on design allows for quick, frustration-free brake system upgrades.
Durability
Resilient finish withstands harsh trail conditions and repeated maintenance cycles.
Key Specs
Model Number
ISMMA90F180PPC
Product Line
Shimano XTR
Component Type
Disc Brake Adaptor
Intended Rotor Size Compatibility
180mm (P/P configuration)
Features
- Ensures reliable disc brake mounting
- Part of high-performance XTR line
- Designed for superior compatibility
- Built for long-lasting durability
- Provides effective brake setup solution
What customers say
Customers highly value the Shimano XTR Disc Brake Adaptor for its superior build quality and flawless integration. Reviewers consistently praise the precision engineering, noting the adaptor offers a perfect fit that requires no adjustments during installation, saving significant time. The robust construction instills confidence, contributing to a reliable braking system. Users report improved braking performance and modulation when upgrading to a 180mm rotor, attributing the solid feel to the adaptor's rigidity. Despite the premium nature of the XTR line, the consensus is that this component delivers excellent value through its dependable functionality and longevity. It is widely considered an essential upgrade for serious riders seeking dependable performance.
Know before you buy
The P/P designation stands for Post-to-Post mounting. This indicates that the adaptor is designed to mount a brake caliper onto a fork or frame that already features post-mount tabs, specifically to accommodate a larger 180mm rotor.
No, this specific model (ISMMA90F180PPC) is precision-engineered exclusively for a 180mm rotor. Using it with a different rotor size will result in improper pad alignment and compromised braking performance.
While this adaptor is designed for Shimano XTR standards, it is generally compatible with most post-mount brake calipers that follow industry-standard mounting dimensions. However, always verify that your specific caliper geometry clears the adaptor's profile.
Yes, the Shimano XTR F180P/P adaptor includes the required hardware to securely mount the adaptor to your frame or fork and the caliper to the adaptor.
This adaptor is specifically designed for front post-mount forks to accommodate a 180mm rotor. Depending on your frame's rear mount configuration, it may not be suitable for rear-wheel applications.
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