Sunrace CSM90 Cassette 9S 11-34T - Black

The SunRace CSM90 is a durable, great-value 9-speed 11–34T cassette designed for bikes with a Shimano HG-splined freehub. Its Super Fluid Drive shift profiling ensures smooth and predictable gear changes, while the robust steel cogs and lockring withstand daily mileage. The CSM90 is available in black or silver finishes, with the 11–34T version typically weighing around 350–357 g, making it an excellent upgrade for commuters, trekking bikes, and 9-speed MTB drivetrains that require a wide range and reliability without the premium price tag.

- Fits standard Shimano HG freehub bodies (9-speed systems; Shimano/SRAM 9-speed compatible)
- Super Fluid Drive shift profiling for smooth, reliable shifting
- Steel cogs & lockring for long service life; available in black or silver
- Great choice for commuting, trekking, and 9-speed MTB builds seeking performance and value

Specifications
Brand: Sunrace
Model: CSM90
Type: Cassette 9S
Freehub body: Shimano HG
Teeth: 11-34
Color: Black