SunRace CSMZ903

Was £149.99
From £124.99
Save 16.67%
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Fawkes Cycles
£124.99
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Price last checked: 03/10/2026

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SunRace CSMZ903

The Sunrace MZ903 is a 12-speed cassette with 11-51T and is fully compatible with the standard Shimano HG freewheel hub. This is the solution for those who don't have an Micro Spline freewheel and want to drive 1x12. Product features- MZ903 12-speed cassette 11-51 Use: MTB Suitable for Freehub: Shimano HG Sui ...
The Sunrace MZ903 is a 12-speed cassette with 11-51T and is fully compatible with the standard Shimano HG freewheel hub. This is the solution for those who don't have an Micro Spline freewheel and want to drive 1x12. Product features- MZ903 12-speed cassette 11-51 Use: MTB Suitable for Freehub: Shimano HG Suitable for: 12-speed Teeth: 11-51 Gradation: 11-13-15-17-19-21-24-28-33-39-45-51 Colour: silver Weight: 510g (manufacturer information)
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Other Colours & Sizes

SunRace CSMZ903-Black

View £147.99

SunRace CSMZ903-Silver

View £124.99

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About: SunRace

SunRace is a well-established and globally recognized brand in the field of bicycle drivetrain components and shifters. With a history dating back to the 1970s, SunRace has consistently demonstrated a commitment to quality and innovation in the cycling industry. They are renowned for producing a wide range of reliable and affordable products, including cassettes, derailleurs, chainrings, and shifters. SunRace components are known for their precision engineering, smooth shifting, and durability, making them a popular choice among cyclists of various disciplines, from road biking to mountain biking. The brand's ability to combine performance with affordability has earned it a strong reputation in the cycling community, making SunRace a go-to choice for those seeking dependable drivetrain solutions for their bicycles.

About: Fawkes Cycles

Fawkes Cycles is a UK-based cycling retailer built on a foundation of elite racing experience and a genuine love for the sport. Founded by former professional cyclists Nigel and Mandy—whose achievements include representing Great Britain and winning a world championship—Fawkes Cycles combines expert insight with a strong commitment to customer service. The store offers a wide selection of bikes, parts, and accessories from trusted brands, alongside exclusive deals, discount codes, and convenient services like free UK delivery and click & collect. Whether you're a beginner or a seasoned rider, Fawkes Cycles is a name you can trust for quality, value, and real cycling know-how.

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