SRAM Rotor 180mm Centreline X 6-Bolt Rounded

What Is It?

The SRAM CentreLine X 180mm 6-Bolt Rounded Rotor is a high-performance disc brake rotor designed for mountain bikes, gravel bikes, and road bikes using 6-bolt hubs. It combines a lightweight two-piece construction with SRAM's CentreLine braking track to provide smooth, quiet, and consistent braking performance. Rounded edges make it UCI-compliant and simplify wheel installation.

Key Features

• Lightweight two-piece rotor design.
• Aluminium spider with stainless-steel braking track.
• CentreLine braking surface minimizes vibration.
• Rounded edges for UCI compliance.
• 6-bolt hub mounting interface.
• Compatible with SRAM and most other hydraulic disc brake systems.
• Suitable for MTB, gravel, trekking, and road applications.

Specifications

• Brand: SRAM
• Model: CentreLine X Rounded
• Rotor Diameter: 180mm
• Mount Type: 6-Bolt
• Rotor Construction: Two-piece
• Brake Track Material: Stainless Steel
• Spider Material: Aluminium
• Rotor Thickness: 1.8mm
• Colour: Black/Silver
• Weight: Approximately 125g (180mm version)
• Compatibility: MTB, Road, Gravel, Trekking disc brake systems

Pros

• Excellent braking consistency and modulation.
• Lighter than standard one-piece rotors.
• Reduced brake vibration and noise.
• Good heat dissipation due to two-piece construction.
• High-quality construction and durability.
• Compatible with a wide range of brake systems.
• Rounded edges improve safety and wheel handling.

Cons

• More expensive than standard CentreLine rotors.
• Not as heat-focused as SRAM's newer HS2 rotors for aggressive downhill riding.
• Replacement cost is higher due to premium construction.
• Weight savings may not matter to casual riders.

Who Is It Suitable For?

• Cross-country (XC) riders.
• Trail riders.
• Gravel cyclists.
• Road cyclists using disc brakes.
• Performance-oriented riders seeking lighter components.

Who Should Use It?

• Riders upgrading from basic steel rotors.
• Cyclists looking for quieter and smoother braking.
• Racers wanting weight savings without sacrificing braking performance.
• Riders using SRAM Level, G2, Guide, Rival, Force, or Red brake systems.

Bottom Line

The SRAM CentreLine X 180mm 6-Bolt Rounded Rotor is an excellent premium rotor that balances low weight, smooth braking, and durability. It is particularly attractive for XC, trail, gravel, and road riders who want consistent braking performance and reduced rotor noise. Riders focused on extreme downhill or e-bike use may prefer the thicker SRAM HS2 rotor, but for most cyclists, the CentreLine X remains one of SRAM's best all-around rotor options.