Shimano 105 FC-RS520 Crankset
Best reliable upgrade for budget conscious road cyclists seeking twelve speed performance.
A reliable, performance-oriented crankset designed specifically for modern 12-speed road setups. It balances stiffness and weight to provide efficient power transfer for road cyclists using disc brake frames.
$135.00
at
Munroevelo
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Shimano 105 FC-RS520 Crankset
$135.00
Shimano FC-RS520 Crankset
$127.00
Who it's for
- Budget-conscious cyclists upgrading to a 12-speed drivetrain
- Home mechanics seeking a versatile and easy-to-install crankset
- Daily commuters needing dependable gear for high-mileage riding
Who should skip it
- Weight-focused climbers and competitive racers prioritizing lightness
- Style-conscious riders wanting a premium, integrated cockpit appearance
- High-wattage sprinters requiring absolute power transfer efficiency
Performance breakdown
Power Transfer Efficiency
The rigid two-piece construction ensures minimal flex during high-wattage efforts.
Drivetrain Compatibility
Seamlessly integrates with modern 12-speed systems for crisp, reliable shifting.
Installation Simplicity
Hollowtech II interface makes setup straightforward for most home mechanics.
Weight Optimization
Reliable and durable, though slightly heavier than top-tier race components.
Ergonomic Q-Factor
The 150mm stance provides a natural, efficient pedaling geometry for riders.
Build Durability
Robust materials withstand heavy mileage and harsh road conditions with ease.
Key Specs
Crank Arm Length
165 mm
Intended Use
Road
Drivetrain Speed Compatibility
12
Bottom Bracket Interface Type
Shimano Hollowtech II
Bolt Circle Diameter
110 mm
Chainring Mount Type
4-arm
Number of Chainrings
2
Q-Factor
150 mm
Chainline
44.5 mm
Pedal Spindle
9/16 inch
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