The Shimano CS-M7100 Cassette Spacer A is a drivetrain spacer designed for use with Shimano 12-speed cassettes (Deore M7100 series). This spacer helps ensure accurate sprocket spacing on the freehub body, promoting smooth, reliable shifting and optimal chain engagement throughout the entire gear range.
Manufactured to Shimano’s standards, the CS-M7100 Spacer A provides consistent thickness and alignment between specific sprockets (4 & 5) in the cassette stack. Proper spacing is essential for maintaining clean indexing and reducing drivetrain noise, making this spacer an important part of cassette installation, service, or rebuilds.
CS-M7100 spacer A is product number 7 in the attached image
Genuine Shimano replacement part
- Discipline - MTB
- Colour - Silver
- Size - One size
CS-M7100 Cassette Spacer A
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The Shimano CS-M7100 Cassette Spacer A is a drivetrain spacer designed for use with Shimano 12-speed cassettes (Deore M7100 series). This spacer helps ensure accurate sprocket spacing on the freehub body, promoting smooth, reliable shifting and optimal chain engagement throughout the entire gear range.
Manufactured to Shimano’s standards, the CS-M7100 Spacer A provides consistent thickness and alignment between specific sprockets (4 & 5) in the cassette stack. Proper spacing is essential for maintaining clean indexing and reducing drivetrain noise, making this spacer an important part of cassette installation, service, or rebuilds.
CS-M7100 spacer A is product number 7 in the attached image
Genuine Shimano replacement part
- Discipline - MTB
- Colour - Silver
- Size - One size

