Quick Summary
The SunRace CSM63 is a 7-speed bicycle cassette with an 11-28T range and a nickel-plated finish. Its seven sprockets are 11, 13, 15, 18, 21, 24 and 28 teeth. Check the cassette’s fit with your wheel and drivetrain before choosing it.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Speed and range | 7-speed, 11-28T. |
| Sprocket sequence | 11-13-15-18-21-24-28 teeth. |
| Construction and finish | Steel cogs with a nickel-plated finish, black composite spacers and a black steel lockring. |
| Listed chain compatibility | 7.1-7.3 mm; check this range against your chain. |
What to Compare Before Buying
Compare the seven-speed setup and 11-28T range with the gearing on your bike. The listed sprocket sequence helps identify the tooth counts if you are matching an existing cassette.
Check the wheel’s cassette mounting interface and drivetrain fit, including the shifter and chain. A matching speed count alone does not establish compatibility.
Compatibility, Size and Fit
The listed chain compatibility is 7.1-7.3 mm. Check that your chain matches this stated range and confirm that the cassette fits your wheel and drivetrain before selecting it as a replacement.
Before You Decide
Confirm the 7-speed configuration, 11-28T range, wheel fit and chain compatibility against your bike. Use the sprocket sequence to check whether its gearing matches the setup you need.
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