FSA Comet 1x Crankset | 175mm | 30T | MegaExo 24mm | Fat Bike
The FSA Comet 1x Crankset is a rugged and dependable fat bike crank designed for wide-spacing platforms such as the Trek Farley series and other 190/197mm OLD frames. Built with forged AL6061 crank arms and a heat-treated MegaTooth chainring, it delivers strong power transfer, excellent chain retention, and durability for snow, sand, and trail riding.
Featuring a 24mm chromoly MegaExo spindle, optimized chainline, and wide Q-factor, this crankset is purpose-built for modern fat bikes running 1x drivetrains.
Key Features
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Forged AL6061 crank arms for strength and stiffness
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Heat-treated forged steel MegaTooth 30T chainring
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Thick-thin tooth profile for maximum chain engagement and retention
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24mm chromoly MegaExo spindle for durability and smooth rotation
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Optimized for 11-speed drivetrains (also compatible with many 12-speed setups)
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Designed for 190mm / 197mm fat bike frames
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Wide Q-factor for fat bike clearance and stability
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Durable bead-blasted anodized black finish with laser graphics
Specifications
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Brand: FSA
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Model: Comet 1x
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Crank Length: 175mm
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Chainring: 30T MegaTooth (Heat-treated steel)
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Spindle: MegaExo 24mm chromoly
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Spindle Length: 156mm overall
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Q-Factor: 208.7mm (190mm OLD)
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Chainline: 74.7mm (190mm OLD)
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Crank Arm Material: Forged AL6061
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Drivetrain Compatibility: Optimized for 11-speed, works with many 12-speed systems
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Frame Compatibility: 190mm / 197mm OLD fat bike frames
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Finish: Bead blasted anodized black with laser graphics
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Weight: 961g
Included
Service / Parts Info
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Modular Crank Lock Ring — Part #390-0044000600
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Lock Ring Tool — Part #230-0023000520
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Chainring position adjustable with lock ring tool
Fit Notes
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Designed for fat bikes such as Trek Farley (190/197 spacing)
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Requires compatible MegaExo 24mm bottom bracket (not included)
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Verify frame spacing, chainline, and crank length before purchase
