FSA PowerBox/SL-K Chainring
Best performance upgrade for serious road cyclists seeking precise power data.
A simple, essential replacement part that keeps the power meter's battery compartment sealed and secure. It ensures the internal electronics remain protected from the elements, maintaining consistent performance and reliability on every ride.
$115.00
Who it's for
- Cyclists seeking precise power data for training and performance tracking.
- Riders who prioritize a clean, uncluttered look for their high-performance road bike.
- Serious athletes needing trustworthy and consistent power data for competitive cycling.
Who should skip it
- Cyclists with non-FSA cranksets or specific bottom bracket configurations.
- Budget-conscious riders concerned about future maintenance and replacement expenses.
- Enthusiasts who frequently upgrade individual components for customization.
Performance breakdown
Power Meter Integration
Designed specifically to maintain accuracy with FSA power meter cranksets.
Shifting Precision
CNC machining ensures crisp, reliable gear changes under heavy load.
Material Durability
7075-T6 aluminum offers an excellent strength-to-weight ratio for long-term use.
Drivetrain Compatibility
Versatile design handles 10 and 11-speed setups with consistent efficiency.
Structural Rigidity
Asymmetric bolt pattern minimizes flex during high-wattage sprints.
Installation Ease
Standard 4-bolt interface makes swapping rings straightforward for home mechanics.
Key Specs
Number of Teeth
53
Bolt Circle Diameter
110 mm
Material
7075-T6 Aluminum
Mounting Type
4-bolt
Intended Use
Road
Chainring Position
Outer
Drivetrain Compatibility
10/11 speed
Power Meter Compatible
Yes
Bike Type Compatibility
Road Bike
Component Application Area
Drivetrain
Know before you buy
Still have a question?
Ask Metto anything about the FSA PowerBox/SL-K Chainring before you decide.
