Shimano Deore XT SM-RT78-M 180mm 6-hole MTB disc

Shimano Deore XT SM-RT78-M 180 mm brake rotor: performance and reliability for your MTB

The Shimano Deore XT SM-RT78-M brake rotor is a well-regarded choice among mountain bikers looking for powerful, consistent, and reliable braking performance. Designed for Shimano disc brake systems, this 180 mm rotor delivers an excellent balance of stopping power, heat dissipation, and control, making it suitable for both technical trails and long endurance rides.

A Shimano Deore XT rotor designed for high braking performance

Part of the renowned Shimano Deore XT range, the SM-RT78-M benefits from high-quality construction that ensures durability and long-lasting performance. Its 180 mm diameter provides more braking power than a 160 mm rotor while maintaining excellent modulation and control on steep or technical descents.

It is ideal for riders practicing:

• Cross-Country (XC) MTB

• Trail riding

• All-Mountain

• Sport touring / long-distance riding

• City or trekking bikes equipped with Center Lock disc brakes

Shimano SM-RT78-M specifications

• Model: Shimano Deore XT SM-RT78-M

• Diameter: 180 mm

• Mounting system: Center Lock

• Center Lock lockring included

• Compatible only with resin brake pads

• Condition: new, without original packaging

• Note: small scratch on the hub side, purely cosmetic and does not affect performance

Why choose a Shimano Center Lock rotor ?

The Shimano Center Lock system allows for quick and secure installation of the brake rotor. It ensures perfect centering and high rigidity, reducing vibrations during hard braking.

With a compatible Center Lock hub, installation is fast and reliable thanks to the included lockring.

Compatible with resin brake pads only

The Shimano SM-RT78-M is designed exclusively for use with resin brake pads. This pad type offers several advantages:

• quiet braking performance

• smooth and progressive feel

• reduced rotor wear

• excellent comfort in all riding conditions

Metallic (sintered) pads are not recommended, as they may reduce performance and shorten rotor lifespan.

A great replacement brake rotor for your MTB

Whether you are upgrading your braking system or replacing a worn rotor, the Shimano Deore XT SM-RT78-M 180 mm is a reliable and cost-effective solution.

This rotor is sold new, without original packaging, with only a small cosmetic scratch on the hub side, which has no impact on braking performance.

Key benefits of the Shimano Deore XT SM-RT78-M

• Strong and consistent braking performance

• 180 mm diameter for an ideal balance of power and control

• Center Lock mounting system with included lockring

• High-quality Shimano Deore XT construction

• Compatible with a wide range of MTB and trekking bikes

• New condition, ready to install

Summary

The Shimano Deore XT SM-RT78-M 180 mm Center Lock brake rotor is a high-quality component designed for demanding cyclists who expect reliable and efficient braking performance. Compatible with resin brake pads only, it delivers the trusted performance of Shimano Deore XT components, offered here in new condition, with only a minor cosmetic mark on the hub area.