SunRace 12 Speed MTB Cassette - 11-51T - Metallic - CSMZ800

SunRace 12 Speed MTB 11-51T Metallic Cassette CSMZ800. Optimized for Shimano 12 speed transmission...

Best current price£59.99from eBay

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eBaySunRace CSMZ800 12 Speed Shimano Compatible Cassette HG Freehub MTB Gravel 11-51
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£59.99
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Merlin CyclesSunrace Black Mz800 Cassette - 12 Speed - / 11-51 / 12 Speed
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£76.99
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Product Information

Full details

This SunRace 12-speed MTB cassette is designed for riders seeking a wide gear range for challenging mountain terrain. Its primary benefit is offering a versatile 11-51T ratio, providing both climbing ease and efficient pedaling on flats. A potential caveat is its optimized compatibility, primarily with Shimano 12-speed systems, requiring careful verification for other drivetrain components. Key features include durable steel and aluminum sprockets, a metallic finish, and a broad gear range ideal for performance-oriented cyclists.

All features

Model Part NumberCSMZ800
BrandSunRace

Extended Product Information

FAQs

Is this cassette compatible with SRAM 12-speed systems?

This SunRace cassette is specifically optimized for Shimano 12-speed transmissions (SLX, XT, XTR). While it might physically fit some SRAM freehub bodies, full compatibility and optimal shifting performance are not guaranteed. It's best to verify compatibility with your specific SRAM drivetrain.

What type of freehub body do I need?

You will need a standard 11-speed or 12-speed Shimano HG-style freehub body. This is a common standard on many mountain bike wheels.

How much does the cassette weigh?

The SunRace CSMZ800 cassette weighs approximately 660g.

Can I use this with a 10-speed or 11-speed chain?

No, this is a 12-speed cassette and is designed to be used with a 12-speed chain and compatible 12-speed drivetrain components for proper shifting performance.

What is the material composition of the sprockets?

The sprockets are constructed using a combination of steel for durability and aluminum for weight reduction.

Will this work with any 12-speed rear derailleur?

It is optimized for Shimano 12-speed derailleurs (SLX, XT, XTR). For optimal performance, ensure your derailleur has sufficient capacity for the 51T cog and that the B-tension adjustment is correctly set.

How do I clean and maintain the cassette?

Regular cleaning with a degreaser and brush is recommended. Keep the chain lubricated and inspect for wear. Avoid high-pressure washing directly at the cassette.

Troubleshooting

Skipping or poor shifting performance

Ensure the derailleur hanger is straight, the B-tension screw is correctly adjusted for the 51T cog, and the shift cable is properly tensioned. Check for chain wear.

Cassette does not fit the freehub body

Verify that your freehub body is compatible with an 11-speed or 12-speed Shimano HG-style freehub. Some XD or Micro Spline freehub bodies are not compatible.

Chain drops off the largest cog

Adjust the low limit screw on the rear derailleur and ensure the B-tension is adequately set to provide clearance.

Noise during pedaling

Check that the cassette lockring is tightened correctly. Inspect the chain and cassette for wear or debris buildup.

Pros and Cons

Pros

  • Extensive 11-51T gear range provides excellent climbing and all-around performance.
  • Designed for reliable integration with Shimano 12-speed drivetrains.
  • Durable materials offer longevity under demanding MTB conditions.
  • Metallic finish adds an aesthetic upgrade to the bike.
  • Relatively lightweight for its gear range and durability.

Cons

  • Primarily optimized for Shimano 12-speed systems, potentially limiting cross-brand compatibility.
  • May require specific tools or expertise for installation and adjustment.
  • The largest cog (51T) might not be supported by all 12-speed rear derailleurs, even within the Shimano range.
  • The metallic finish, while attractive, may show wear over time with heavy use.

Setup, Compatibility & Care

Setup: Installation requires a standard cassette lockring tool and chain whip. Ensure your rear wheel hub is compatible with an 11-speed or 12-speed Shimano HG-style freehub body. Proper adjustment of the rear derailleur's B-tension screw is critical to ensure the 51T cog clears the upper derailleur pulley. It is recommended to use a compatible 12-speed chain and shifter for optimal performance.

Compatibility: This cassette is specifically optimized for 12-speed Shimano transmissions, including SLX, XT, and XTR groupsets. While it may physically fit other 12-speed systems, performance and shifting accuracy are best guaranteed with Shimano.

Care: Clean the cassette regularly with a degreaser and brush to remove dirt and grime. A clean drivetrain shifts better and prolongs component life. Periodically inspect the teeth for wear and the cassette body for any signs of damage. Lubricate the chain regularly, but avoid excessive lubricant that can attract dirt.

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