Easton EC90 SL Crankarms
Best performance upgrade for serious cyclists seeking a lightweight build.
A versatile carbon wheelset that balances low weight with impressive lateral stiffness for everyday road performance. The quick-engaging hub and reliable tubeless setup make it a strong contender for varied terrain, though the narrower internal width favors traditional road tire sizes.
$399.99
at
Contender Bicycles
Who it's for
- Competitive cyclists seeking marginal gains in weight savings.
- Riders who frequently change chainrings or bike configurations.
- Performance-oriented riders demanding maximum pedaling efficiency.
Who should skip it
- Budget-conscious cyclists or those not prioritizing top-tier components.
- Aggressive riders or those frequently riding in rough conditions.
- Cyclists preferring a wider selection of third-party chainrings.
Performance breakdown
Weight Efficiency
Hollow carbon construction keeps rotational mass impressively low for climbing performance.
System Versatility
The CINCH interface makes swapping between 1x and 2x setups effortless.
Frame Compatibility
Broad bottom bracket support ensures a fit for almost any modern frame.
Drivetrain Integration
Direct mount design optimizes chainline precision for smoother, quieter shifting.
Structural Rigidity
Carbon arms provide excellent power transfer without the penalty of extra weight.
Installation Complexity
Requires specific tooling, making home maintenance slightly more involved than standard cranks.
Key Specs
Material
Carbon, Aluminum
Chainline
1x 47mm / 2x 45mm
Spindle
30mm
Bottom Bracket Compatibility
BB86, BSA 68mm, PF30 68mm, BB30 68mm, BBright, 386Evo
Hub Compatibility
130 Hubs, 135/142 Road Disc Hubs > 415 mm Chainstay, 135/142 Road Disc Hubs < 415 mm Chainstay
Crank Construction Type
Hollow Carbon Arms
Chainring Mount Type
CINCH direct mount (1x and 2x)
Installation Tools Required
20-tooth ISIS BB tool
Know before you buy
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