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Ultra Cheap Carbon Crankset - 18 months later...
The reviewer discusses the RIRO Carbon Fiber Crank extensively, highlighting its performance and design improvements over other carbon crank sets. They mention using it for over a year with more than 2,500 miles, noting its durability and solid construction. The crank set features a single bolt securing mechanism similar to SRAM, which the reviewer praises as superior to other designs. They also appreciate the better quality chain rings that come with it, which have lasted longer than those on other crank sets. However, they note an issue with the original extraction bolt cracking under excessive use, though they consider this an uncommon scenario. The reviewer also mentions a newer version of the RIRO crank set with a different design and heavier weight but improved features like a 29mm axle and better shifting performance.
AI-Summary
Pros
- Durable construction with no cracks or delamination after over a year of use
- Superior single bolt securing mechanism similar to SRAM
- Better quality chain rings that last longer
- Lightweight compared to Shimano 105 crank
- Affordable price point (around 100 quid)
- Newer version features improved design with 29mm axle and better shifting performance
Cons
- Original extraction bolt cracked under excessive use (though considered uncommon)
- Uses a Shimano Standard 24mm aluminium axle, which some reports suggest may snap under load
- Newer version is slightly heavier due to chunkier design and 29mm axle
Key Points
- Single bolt securing mechanism similar to SRAM
- Shimano Standard 24mm aluminium axle
- Chain rings are 7075 T6 aluminium
- Weighs 568g (original version)
- Newer version uses SRAM DUB 29mm axle standard
- Newer version weighs 594g
- Chain rings on newer version are slightly chunkier at 191g vs 181g on original
- Newer version has five inserts in the large ring for better shifting vs four on original
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