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The reviewer discusses issues with a cassette that caused chain skipping during a hill climb race, though they do not explicitly name the ZTTO SLR Gen3 12s Road Bike Cassette. They mention replacing it with a Shimano 105 cassette, which resolved the issues. The reviewer implies the problematic cassette was a cheap AliExpress purchase, contrasting it with the reliability of branded components.
AI-Summary
Pros
- Lightweight (implied by comparison to the 105 cassette)
Cons
- Chain skipping under load
- Unreliable performance
- Lack of compatibility or quality control compared to branded components
Key Points
- Replaced with Shimano 105 cassette
- Weight difference of ~150g mentioned
I had the ZTTO SLR3 (gen 3, the one with 3 largest cog being 7000-series aluminum) HG 11-50 12 speed for about half a year or 900 miles. For the first 200 miles I was using the shimano XT M8100 long cage derailleur. It worked but there is always a little noise at some gear, either this or that one. I tried to fine-tune the shift cable tension, limit screw, B-screws. But you will always have a couple of gears that have the noise. Maybe it's just me who are sensitive but it really bothered me. But at the same time I really liked the lightweight-ness of it. (285grams!!!). So I bought the Wheeltop OX 2 mountain electronic derailleur and then fine-tune every cog. It worked beautifully since then (the past 700 miles). extremely quiet at each cog. I am loving it. the cassette cog-spacing must have not been very accurate for some cogs, but the Wheeltop electronic shifting system resolved the issue.
View original forum comment in Chinertown-Forum:
Component Deals & Selection → ZTTO Gen3 cassette
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