3 days ago

Shimano XT SM-RT86 Rotor 6 Bolt

$ 51.99   -15%
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The Shimano XT Brake Rotor, known as the SM-RT86, distinguishes itself from Shimano's lower-tier options by incorporating an aluminum core designed to efficiently dissipate heat away from the brake caliper. This innovative construction, coupled with the inclusion of finned heat sinks in Shimano's XT and XTR-level brake pads, effectively addresses and mitigates heat-related brake fade issues.

The use of an aluminum core is particularly noteworthy as it plays a crucial role in maintaining consistent and reliable braking performance, especially during extended descents where heat buildup can be a concern. By actively managing heat, the SM-RT86 rotor ensures that the braking system remains effective, providing cyclists with the confidence of responsive and dependable braking even in challenging conditions.

This thoughtful construction and attention to heat management make the Shimano XT Brake Rotor a preferred choice for riders who prioritize performance and reliability, particularly in situations that demand sustained and effective braking capabilities.


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The Shimano XT Brake Rotor, identified as the SM-RT86, stands out as a versatile and reliable workhorse designed to meet the demands of XC (cross-country), trail, and gravity riding. Its construction incorporates the IceTech technology, featuring a steel/aluminum sandwich that effectively dissipates heat generated during braking.

This innovative design ensures optimal heat management, crucial for maintaining consistent brake performance across various riding disciplines. The steel/aluminum sandwich not only disperses heat efficiently but also enhances the rotor's durability, making it well-suited for the rigorous conditions encountered in XC, trail, and gravity-oriented cycling.

Additionally, the inclusion of an aluminum spider further contributes to heat management. The combination of these features makes the Shimano XT Brake Rotor a go-to choice for cyclists seeking a robust and adaptable braking solution that excels in different riding environments. Whether navigating challenging XC trails, tackling varied terrains on a trail ride, or descending gravity-fed courses, this brake rotor delivers reliable and effective braking performance while effectively managing heat buildup.


The Shimano XT Brake Rotor (SM-RT86) features a robust construction with the following specifications:

Rotor Material: Steel, Aluminum
Carrier Material: Aluminum
Attachment Type: 6-bolt
Diameter Options: 160mm, 180mm, 203mm
Claimed Weight:
[203mm] 187g
[180mm] 154g
[160mm] 135g
Suitable Activities: Trail, Enduro, Cross-Country
Manufacturer Warranty: 2 years
The rotor's combination of steel and aluminum in its construction, along with the aluminum carrier, contributes to its durability and efficient heat dissipation. The 6-bolt attachment type ensures compatibility with a variety of bike setups. Cyclists can choose from different diameter options (160mm, 180mm, 203mm) based on their specific riding preferences and needs.

The claimed weights for different diameter configurations provide riders with options based on their desire for weight savings or rotor size requirements. With a manufacturer warranty of 2 years, Shimano provides assurance of the product's quality and durability, making the XT Brake Rotor a reliable choice for trail, enduro, and cross-country riding activities.

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