Gemini Rigel Chainring
Best lightweight upgrade for performance focused mountain bike enthusiasts.
This chainring blends the weight savings of forged carbon with the proven durability of an aluminum core. It is a high-performance upgrade for riders seeking a stiffer, more aerodynamic drivetrain setup on modern boost-spaced cranksets.
$157.99
at
eBay
Who it's for
- Weight-conscious cross-country racers seeking every performance advantage
- Competitive athletes demanding immediate power response and efficiency
- Custom bike builders wanting a distinct and modern visual edge
Who should skip it
- Budget-conscious riders looking for a simple, cost-effective replacement part
- Aggressive trail riders frequently navigating technical, rocky terrain
- Cyclists using non-standard or older cranksets requiring universal fitment
Performance breakdown
Weight Efficiency
Forged carbon construction sets a new standard for rotating mass reduction.
Drivetrain Rigidity
Solid design minimizes flex for immediate, efficient power transfer under load.
Durability Profile
Aluminum core ensures long-term wear resistance despite the lightweight carbon exterior.
Aerodynamic Performance
Solid face profile effectively reduces drag compared to traditional spider designs.
System Compatibility
Broad support for modern drivetrains, though limited to 8-bolt mounting standards.
Craftsmanship Quality
Handcrafted in Barcelona with meticulous attention to material integration and finish.
Key Specs
Material
Forged carbon fiber and 7075-T6 aluminum
Mounting Type
3-Bolt direct mount
Offset
3 mm
Compatibility
SRAM 3-bolt direct mount boost cranksets
Drivetrain Speed System
11, 12, and 13-speed
Manufacturing
Forged
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