FSA Comet Modular Crankset
Best durable, budget-friendly upgrade for mountain bike drivetrain enthusiasts.
A robust and versatile modular crankset that balances weight and durability for trail riders. The direct-mount system and boost compatibility make it a highly adaptable choice for modern mountain bike drivetrains.
$110.00
at
Red Rock Bicycle
Who it's for
- Riders who frequently swap between single and double chainring setups
- Aggressive trail and enduro riders needing maximum durability
- Mountain bikers seeking reliable chain security on rough terrain
Who should skip it
- Weight-conscious racers prioritizing a lighter bike build
- Mechanics wanting a straightforward, adapter-free bottom bracket installation
- Style-focused riders desiring a premium, high-end aesthetic
Performance breakdown
Power Transfer Efficiency
Forged AL6061 arms provide a stiff, responsive feel under heavy pedaling.
Chain Retention
Thick-thin tooth profile keeps the chain locked in during rough descents.
Modular Versatility
Adaptable spider design makes swapping chainlines and configurations incredibly straightforward.
Durability
Rugged steel chainring and chromoly spindle handle abuse without breaking a sweat.
Installation Simplicity
Standard 24mm spindle interface ensures broad compatibility with most bottom brackets.
Weight Optimization
Channeling on the back sheds grams without sacrificing essential structural integrity.
Key Specs
Material
6061 Aluminum, Steel
Spindle Diameter
24mm
Spindle Interface
MegaExo
Number of Chainrings
1
Chainring Mount Type
Direct Mount
Drivetrain Compatibility
11-Speed, 12-Speed
Boost Compatible
Yes
Crank Construction Type
Forged
Pedal Thread
9/16 inch
Intended Use
Mountain
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