Shimano R203S/P Disc Brake Adaptor

★★★★★ 4.4 113 reviews

$30.94
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$30.94
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Free shipping Free 30-day returns

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Product details

Management number 210303051 Release Date 2026/04/02 List Price $12.38 Model Number 210303051
Category

Enhance your bike's braking performance with the R203S/P Disc Brake Adaptor - the ideal solution for upgrading or customizing your bike's rotor size. Designed with precision engineering and materials, this adaptor allows seamless compatibility between different brake calipers and larger rotors, ensuring reliable stopping power and safety on all rides. Constructed from durable, corrosion-resistant materials, the R203S/P adaptor is engineered to withstand harsh cycling conditions, providing long-lasting performance. The adaptor is specifically designed for use with 's IS (International Standard) calipers, enabling the installation of a 203mm rotor on a 74mm frame or fork, making it perfect for mountain biking, gravel riding, and aggressive trail adventures. Key Performance Features: - Compatible with 51mm calipers and 74mm frame spacing for versatile upgrades - Supports 203mm rotors for increased braking torque and modulation, especially beneficial during downhill and technical descents - Includes all necessary mounting hardware for straightforward installation, saving time and ensuring secure fitting - Precision-machined to ensure perfect alignment and reduce noise or brake rub during operation Ideal for cyclists seeking enhanced braking capacity, the R203S/P Disc Brake Adaptor offers innovative engineering solutions for customizing your bike's braking system. Whether upgrading an existing setup or building a custom build, this adaptor provides the reliable, high-performance features you need for confident control and safety on demanding terrains. Upgrade your braking system today with the R203S/P Disc Brake Adaptor - engineered for durability, compatibility, and superior stopping power.

  • Compatible with IS calipers and designed specifically for 203mm rotors, ensuring powerful and consistent braking performance for downhill, gravity, and enduro riding disciplines.
  • Constructed from durable, materials that resist corrosion and withstand heavy braking forces, providing long-lasting reliability in demanding riding conditions.
  • Features a precise mounting adaptor that allows seamless compatibility between 51mm calipers and 74mm frames or forks, offering versatile upgrade options for custom bike builds or brake upgrades.
  • Incorporates advanced engineering with included mounting hardware for straightforward installation, reducing setup time and ensuring secure, squeal-free operation during intense cycling sessions.
  • Ideal for riders seeking maximum stopping power and reliable brake modulation with innovative adaptors designed to optimize rotor and caliper compatibility on fat tire or large rotor setups.
UPC 689228283435
Brand Name SHIMANO
Finish Type Natural
Manufacturer Shimano Cycling
Model Number SM-MAF203
Material Type Multi
Exterior Finish Silver
Automotive Fit Type Universal Fit
Included Components Disc Brake Adaptor
Manufacturer Part Number ISMMAF203SPA
Compatible with Vehicle Type Bicycle
Manufacturer Warranty Description Limited Warranty

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4.4 out of 5
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113 ratings | 46 reviews
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