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Reviews & Ratings
The reviewer discusses the ZTTO Ultimate 11/12 Speed Road Bike Cassette, highlighting its performance and value for money. They mention using it on multiple group sets and finding the shifting to be consistently good.
AI-Summary
Pros
- Good shifting performance across different group sets
- Lightweight (200g)
- Affordable (60 quid)
- Durable with all-steel teeth
- No issues reported after extensive use (over 1500 miles)
Cons
- Shifting performance may not match Shimano's latest hyperglide cassettes
Key Points
- 11-speed 11-28T monoblock cassette
- Compatible with HG freehub
- All-steel teeth for durability
- Weighs 200g
The reviewer discusses their experience with a ZTTO monoblock cassette, which appears to be the ZTTO Ultimate 11/12 Speed Road Bike Cassette, though the exact model name isn't explicitly stated. They mention purchasing it for £66 and highlight its lightweight design at 200g, comparable to Shimano Dura-Ace. The cassette initially shifted well but wore out after approximately 2,500 miles, with the eighth gear becoming completely unusable. The reviewer conducted a hardness test comparing it to Shimano cassettes, finding the ZTTO's steel hardness relatively good but less uniform in hardening. They note the cassette has a basic black oxide coating rather than the more durable nickel plating found on Shimano products. The reviewer replaced it with a newer ZTTO SLR Gen 3 model but expects even lower durability due to aluminum teeth on the smaller cogs.
AI-Summary
Pros
- Lightweight at 200g
- Good initial shifting performance
- Price of £66 is much cheaper than equivalent Shimano Dura-Ace
- Steel hardness is relatively good in testing
- Comparable weight to high-end Shimano cassettes
Cons
- Wore out after approximately 2,500 miles
- Eighth gear became completely unusable
- Hardening less uniform than Shimano cassettes
- Basic black oxide coating less durable than nickel plating
- Cannot replace individual sprockets due to monoblock design
- Newer ZTTO model expected to have even worse durability with aluminum teeth
Key Points
- 200g weight
- Monoblock steel construction
- Black oxide coating
- Approximately 2,500 mile lifespan
- Purchased for £66 on AliExpress
- Comparable weight to Shimano Dura-Ace 9100
- Hardness testing showed good but inconsistent results
- Replaced with newer ZTTO SLR Gen 3 model
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