The ZTTO Ultralight cassette offers significant weight savings but raises durability concerns, especially under high power. Users appreciate its performance and value, while some report failures in earlier versions.
Pros
Cons
Reviews & Ratings
15:22The reviewer discusses their experience with the ZTTO Ultralight SLR Gen 3 cassette, which they have purchased as a replacement for a previous ZTTO cassette that failed. They note it is a newer, supposedly improved generation.
I have 2 of them from Goldix (black one) and they've been solid at. Great cassettes
Where to Buy


ZTTO Ultralight 11/12 Speed Road Bike Cassette 11s 12s 11-28/30/32/34/36T ULT Sprocket Freewheel 112g~146g 11V 12V Gravel K7 HG

Variants
| Configuration | Speeds | Largest Cog | Weight |
|---|---|---|---|
| 11s 11-28T | 11 | 28 T | — |
| 11s 11-30T | 11 | 30 T | — |
| 11s 11-32T | 11 | 32 T | — |
| 11s 11-34T | 11 | 34 T | — |
| 11s 11-36T | 11 | 36 T | — |
| 12s 11-28T | 12 | 28 T | — |
| 12s 11-30T | 12 | 30 T | — |
| 12s 11-32T | 12 | 32 T | — |
| 12s 11-34T | 12 | 34 T | — |
| 12s 11-36T | 12 | 36 T | — |
Specifications
Attributes
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