CSixx Chainring 110bcd Asymmentic Shimano R7000 Offset 42T
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What it is
This describes a locally made narrow-wide (thick–thin) chainring, likely from a Cape Town manufacturer, designed for modern 1x drivetrains.
A typical example would be something like a Thick-Thin Narrow Wide Chainring.
Key features explained
Thick–Thin (Narrow-Wide) tooth design
- Alternating tooth profile:
- Narrow teeth → fit inner chain links
- Wide teeth → fit outer chain links
Result:
- Better chain retention
- Less chain drop
- Often eliminates need for a chain guide
7075-T6 aluminium
- High-grade aerospace aluminum
- Stronger than cheaper 6061 alloy
Benefits:
- High strength
- Lightweight
- Excellent wear resistance
CNC machined
- Precision cut from a solid plate
- Not forged or stamped
Real-world advantages:
- Very accurate tooth profiles
- Smoother chain engagement
- Less noise and friction
Anodised finish
- Hard surface coating
- Improves:
- Wear resistance
- Corrosion protection
- Appearance (black finish)
Wide compatibility (10/11/12 speed)
- Works with:
- MTB chains
- Road chains
- Even SRAM Flattop / T-Type (depending on profile)
Makes it very versatile for modern builds
Real-world performance
This type of chainring is designed for:
- 1x MTB drivetrains
- Gravel / adventure bikes
- ⚡ Simpler setups (no front derailleur)
Strengths
- Excellent chain retention (no drops)
- Lightweight and strong
- Quiet drivetrain operation
- Long lifespan (especially 7075 alloy)
- Precision shifting feel
Limitations
- Only for 1x setups (not 2x or 3x)
- Chainline and compatibility must match crank
- Tooth wear still happens over time
- Requires correct size (BCD / direct mount)
Real-world verdict
This is:
???? A high-quality precision chainring designed for modern 1x drivetrains, offering excellent chain retention and durability.
Bottom line
- ✔ Strong and lightweight (7075 alloy)
- ✔ Excellent for 1x drivetrains
- ✔ Quiet and efficient
- ✔ Locally manufactured (nice bonus)
- ❗ Must match your crank and drivetrain setup
Important before buying
Make sure you check:
- Crank compatibility (BCD or direct mount type)
- Tooth count (e.g. 30T, 32T, 34T)
- Chainline (Boost vs non-Boost)
