Reviewed catalog recordAvailable

Box Components official website; owner-authorized licensed use.

Box Four 8-Speed E-Bike Cassette

Box Four 8-Speed E-Bike · 12-42T, 8-speed, e-bike

Category: Cassette/freewheel
Model year: Year not published
Market: Global
Variant key: 12-42t-ebike-8-speed

Exact variant

Published identity and context

Weight

Unknown

No supported weight context is published for this variant.

SKU

BX-CS4-08A1242-BK

Manufacturer part number

Unknown

Catalog revision

1

Specification schema 1

Materials

Material information is unknown.

Published colors

Color information is unknown.

Also known as

No public aliases are recorded.

Schema version 1

Structured specifications

Sprocket count: 8; Manufacturer specification for the drivetrain speed. Source: https://boxcomponents.com/products/box-four-8-speed-12-42t-e-bike-cassette
Sprocket tooth counts

12, 14, 16, 18, 22, 28, 34, 42

Manufacturer-listed gear combinations. Source: https://boxcomponents.com/products/box-four-8-speed-12-42t-e-bike-cassette

Material

Stamped hardened-steel sprockets and lockring

Manufacturer-listed cassette construction. Source: https://boxcomponents.com/products/box-four-8-speed-12-42t-e-bike-cassette

Claimed weight

473 g

Manufacturer-listed weight for the selected cassette variant. Source: https://boxcomponents.com/products/box-four-8-speed-12-42t-e-bike-cassette

Attributed statements

Compatibility context

These are source-backed manufacturer statements for this exact variant, not fitment advice or a compatibility guarantee.

No compatibility context are published for this exact variant.

Canonical stock records

Bicycles listed with this component

These links reflect reviewed stock specifications. They do not guarantee compatibility with another size, market, year, or personal build.

No reviewed bicycle stock specification currently links this exact component.

Provenance

Evidence and freshness

Sources current

The listed evidence is available and has not been marked stale.

Identity
Box Components (opens in a new tab)
Fresh
Checked Oct 12, 2026
Review
Accepted
Confidence
Verified
Market
Global
Source type
Product Page
Evidence note: Owner-reviewed official evidence for Box Components Box Four 8-Speed E-Bike Cassette.
Classification Availability
Box Components (opens in a new tab)
Fresh
Checked Oct 12, 2026
Review
Accepted
Confidence
Verified
Market
Global
Source type
Product Page
Evidence note: Owner-reviewed official evidence for Box Components Box Four 8-Speed E-Bike Cassette.
Frame Fork Material
Box Components (opens in a new tab)
Fresh
Checked Oct 12, 2026
Review
Accepted
Confidence
Verified
Market
Global
Source type
Product Page
Evidence note: Owner-reviewed official evidence for Box Components Box Four 8-Speed E-Bike Cassette.
Weight
Box Components (opens in a new tab)
Fresh
Checked Oct 12, 2026
Review
Accepted
Confidence
Verified
Market
Global
Source type
Product Page
Evidence note: Owner-reviewed official evidence for Box Components Box Four 8-Speed E-Bike Cassette.
Component Attributes
Box Components (opens in a new tab)
Fresh
Checked Oct 12, 2026
Review
Accepted
Confidence
Verified
Market
Global
Source type
Product Page
Evidence note: Owner-reviewed official evidence for Box Components Box Four 8-Speed E-Bike Cassette.

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Exact-variant experience

Ratings and written reviews

Reviews here apply only to Box Components Box Four 8-Speed E-Bike Cassette · 12-42T, 8-speed, e-bike · SKU BX-CS4-08A1242-BK. They are separate from comments on cyclist journeys and user-owned bicycles.

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