This cassette from RIRO is INCREDIBLY lightweight, and beats even the top offerings from SRAM RED and Shimano DuraAce. But what’s the compromise?

This road bike cassette from RIRO is a hybrid of machined aluminium, and monoblock steel. I bought it from AliExpress, and it only weighs 146g!

For context the same cassette in Shimano DuraACE (CSR9100) weighs 193g, and from SRAM Red (XG1190) weighs 161g.

Using aluminium teeth on the RIRO cassette can impact durability, but they are only used on the 2 largest sprockets. So unless you live somewhere incredibly hilly, durability shouldn’t be impacted too badly.

Regardless this cassette is EASILY the lightest one I have ever seen, so in this episode I’ll show you how it is constructed, why the aluminium teeth may not be such a bad choice, and finally provide a shifting demo.

RIRO Cassette (affilliate link):
https://s.click.aliexpress.com/e/_De8...

Timestamps:
00:00 – Intro & monoblock cassettes
00:45 – RIRO carbon crankset
01:39 – Cassette weight and comparison
02:29 – Cassette cost
02:52 – Construction
05:06 – Shifting demo
06:03 – Bonus clip

Intro roll:
Created by Dev Joshi http://www.go2dev.co.uk

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Please note:
I am not a professionally trained bike mechanic. There can be risks associated with using products that are unbranded, untested, or come from sources where the provenance is unknown. Please talk to a qualified bike mechanic if you are in any doubt.

In essence, be careful, do your research, and cycle safe!!!