Shimano RT-6B750 Rotor - 6-Bolt - 220mm
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Product Information
Full details
The Shimano RT-6B750 6-Bolt Rotor is designed for riders who demand consistent, powerful braking performance on aggressive terrain, making it an ideal choice for mountain bikers utilizing compatible 6-bolt hub systems. With its robust 2.2 mm stainless steel construction, it provides exceptional heat management and long-term durability under high-load conditions; however, riders must ensure their frame and fork have the necessary clearance to accommodate the large 220mm diameter before installation.
All features
| Series | RT-6B |
|---|---|
| Model Part Number | RT6B750220 |
| Brand | SHIMANO |
Extended Product Information
FAQs
Can I use this rotor with non-Shimano brakes?
While optimized for specific Shimano systems, it can function with other brands as long as the brake pad compound is compatible with stainless steel rotors and the 220mm size is supported by your bike.
Do I need an adapter for a 220mm rotor?
Yes, your frame or fork must support a 220mm rotor size, which almost always requires a specific disc brake mount adapter.
Is the 2.2 mm thickness compatible with all brake pads?
This rotor is compatible with standard Shimano hydraulic disc brake pads designed for the listed systems.
How often should I replace the rotor?
Replace the rotor when the thickness drops below the manufacturer's minimum wear limit, usually marked on the rotor itself, or if it becomes significantly warped.
Can I switch from a smaller rotor to this 220mm version?
You can, provided your bike's frame and fork manufacturer explicitly state that 220mm rotors are structurally compatible.
Troubleshooting
Rotor rubbing against brake pads
Check that the wheel is fully seated in the dropouts and perform a caliper alignment by loosening the bolts, squeezing the brake lever, and re-tightening.
Squealing noise during braking
Clean the rotor surface with isopropyl alcohol and check the brake pads for signs of contamination or uneven glazing.
Braking feels inconsistent or pulsing
Inspect the rotor for any signs of warping or physical damage. Ensure all six mounting bolts are tightened to the correct torque specification.
Pros and Cons
Pros
- High heat resistance due to 2.2mm thickness
- Excellent mud shedding capabilities for wet conditions
- Robust stainless steel construction for longevity
- Includes all required mounting hardware
Cons
- Requires 220mm compatibility for frame and fork
- Heavier than standard thinner rotors
- Limited to 6-bolt hub standards
Setup, Compatibility & Care
Installation requires a standard T25 Torx tool to secure the six bolts to your hub. It is recommended to use a torque wrench to ensure even pressure across the mounting surface, typically following the hub manufacturer's specifications.
Compatibility: This rotor is specifically engineered for use with Shimano brake systems, including BR-M9220, BR-M8220, BR-M6220, and MT620. Always verify that your fork and rear triangle have the physical clearance for a 220mm disc before mounting.
Care: Clean the rotor surface regularly with high-quality isopropyl alcohol to remove any residual oils from fingers or lubricants. Avoid using automotive brake cleaners, which may leave harmful residues. If you install new brake pads, remember to perform a proper "bed-in" procedure to ensure the pad material transfers evenly onto the rotor.