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SunRace MX8 Cassette - 11 Speed - 11-46T

SunRace MX8 Cassette - 11 Speed - 11-46T

The SunRace MX8 is a high-performance 11-speed mountain bike cassette designed for smooth and reli...

Best current price£70.00from Merlin Cycles

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Merlin CyclesSunrace Metallic Mx8 Cassette - 11 Speed - / 11-46 / 11 Speed
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Leisure Lakes BikesSunRace MX8 11 Speed Cassette 11-46T
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eBaySunrace MX8 11 Speed Cassette Black Chrome 11spd
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Product Information

Full details

The SunRace MX8 11-speed cassette is designed for mountain bikers looking to improve their climbing capability through a wider gear range without upgrading their entire drivetrain. It provides a robust 11-46T ratio that handles steep ascents with ease while maintaining precise shifting; however, users should verify that their existing rear derailleur has the capacity to handle a 46-tooth sprocket before installation.

All features

Model Part NumberCSMX8
BrandSunRace

Extended Product Information

FAQs

Is this cassette compatible with Shimano freehub bodies?

Yes, the SunRace MX8 is designed for standard 11-speed mountain bike freehub bodies.

Does this cassette require a special chain?

No, it is compatible with standard 11-speed chains.

Can I use this with a road bike derailleur?

Generally no, as most road derailleurs do not have the cage length or B-tension range to clear a 46T sprocket.

What is the weight of the MX8 11-46T?

The cassette weighs approximately 465g.

Are the sprockets replaceable?

The sprockets are grouped on spider carriers; individual replacement is typically not supported.

Troubleshooting

Difficulty shifting into the 46T cog

Adjust the B-tension screw on your rear derailleur to increase the clearance between the top pulley and the 46T cog.

Cassette feels loose or wobbles

Ensure the alloy lockring is tightened to the recommended torque specification using a torque wrench.

Skipping gears under load

Check your derailleur hanger alignment or adjust the barrel adjuster on your shifter to fine-tune cable tension.

Pros and Cons

Pros

  • Significantly improved climbing range over standard 11-speed cassettes
  • Lightweight construction via alloy spiders and large cog
  • Reliable and consistent shifting performance
  • Durable build quality suitable for aggressive trail riding

Cons

  • Requires a derailleur with sufficient clearance for a 46T cog
  • Heavier than high-end titanium or fully machined steel alternatives
  • May require a longer chain depending on the previous cassette size

Setup, Compatibility & Care

Installation requires a standard cassette lockring tool. Ensure the freehub body is clean and lightly greased before sliding the spider carriers on. Because this is an 11-speed cassette, it fits standard Shimano-style freehub bodies.

Compatibility Notes:

  • Ensure your rear derailleur hanger alignment is correct to prevent shifting issues on the 46T cog.
  • Always check your B-tension screw adjustment after installation, as the 46T sprocket often requires moving the derailleur pulley further away from the cassette.
  • Maintain the cassette by wiping it clean after muddy rides and using a high-quality dry or wet chain lube to prevent premature wear.

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