Reference Source

CS-7900 / CS-7800 / CS-6700 / CS-6600 / CS-5700 / CS-5600

For CS-7900 / CS-7800 / CS-6700 / CS-6600 / CS-5700 / CS-5600, manufacturer is SHIMANO; component type is cassette; speeds is 10; pairs with is HG spline L; condition is Need 1.85 mm low spacer and 1.0 mm spacer, recorded from its source on 2026-08-11.

Manufacturer
SHIMANO our reading
Component
CS-7900 / CS-7800 / CS-6700 / CS-6600 / CS-5700 / CS-5600 verified
Component type
cassette our reading
Speeds
10 our reading
Pairs with
HG spline L
Condition
Need 1.85 mm low spacer and 1.0 mm spacer verified
Sourceproductinfo.shimano.com
Verified
Review by
DatasetBike drivetrain and groupset compatibility

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

*2 Need 1.85 mm low spacer and 1.0 mm spacer for the cassette below. CS-7900 / CS-7800 / CS-6700 / CS-6600 / CS-5700 / CS-5600 (1.0 mm spacer is included)

productinfo.shimano.com, retrieved 2026-08-11

Sources disagree

More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.

Pairs with

productinfo.shimano.com says pairs with is HG spline L, as of 2026-08-11.

*2 Need 1.85 mm low spacer and 1.0 mm spacer for the cassette below. CS-7900 / CS-7800 / CS-6700 / CS-6600 / CS-5700 / CS-5600 (1.0 mm spacer is included)

https://productinfo.shimano.com/pdfs/product/archive/2025-2026_Compatibility_v037_en.pdf

productinfo.shimano.com says pairs with is HG spline M, as of 2026-08-11.

*5 Need 1.0 mm spacer for the 10-speed ROAD cassettes below. CS-7900 / CS-7800 / CS-6700 / CS-6600 / CS-5700 / CS-5600

https://productinfo.shimano.com/pdfs/product/archive/2025-2026_Compatibility_v037_en.pdf

Condition

productinfo.shimano.com says condition is Need 1.85 mm low spacer and 1.0 mm spacer, as of 2026-08-11.

*2 Need 1.85 mm low spacer and 1.0 mm spacer for the cassette below. CS-7900 / CS-7800 / CS-6700 / CS-6600 / CS-5700 / CS-5600 (1.0 mm spacer is included)

https://productinfo.shimano.com/pdfs/product/archive/2025-2026_Compatibility_v037_en.pdf

productinfo.shimano.com says condition is Need 1.0 mm spacer, as of 2026-08-11.

*5 Need 1.0 mm spacer for the 10-speed ROAD cassettes below. CS-7900 / CS-7800 / CS-6700 / CS-6600 / CS-5700 / CS-5600

https://productinfo.shimano.com/pdfs/product/archive/2025-2026_Compatibility_v037_en.pdf

Source

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