Easton EC90 SL Carbon Crank Arms 175mm CINCH

Easton EC90 SL Carbon Crank Arms

175mm | CINCH Direct Mount | Road & Cyclocross

The Easton EC90 SL Crank Arms deliver elite-level performance with a lightweight hollow carbon construction and the unmatched versatility of CINCH direct mount technology. Designed for both 1x and 2x drivetrain setups, these cranks offer a clean, adaptable platform for road and cyclocross riders.

Lightweight. Versatile. Race-ready.

Premium Carbon Construction

• Hollow carbon crank arms for minimal weight
• High stiffness for efficient power transfer
• Built for performance road and CX riding

CINCH Direct Mount System

• Compatible with 1x direct mount chainrings
• Works with 2x spider systems
• Easy configuration changes for different riding styles

Refined Performance Design

• Improved chain retention for larger rings
• Reduced drivetrain noise and friction
• Smooth, efficient pedaling performance

Durable Spindle Interface

• 30mm spindle interface (CINCH system)
• Aluminum pedal inserts for durability
• Compatible with RaceFace/Easton CINCH bottom brackets

Flexible Setup Options

• No chainrings or spider included
• Customize your drivetrain setup
• Ideal for custom builds and upgrades

Tool Compatibility

• Uses 20-tooth ISIS BB tool
• Easy installation and removal of spiders and rings

Specifications

• Brand: Easton
• Model: EC90 SL
• Crank Length: 175mm
• Material: Carbon arms / Aluminum spindle interface
• Spindle Interface: RaceFace/Easton CINCH (30mm)
• Chainring Mount: Direct Mount (CINCH)
• Pedal Thread: 9/16"
• Drivetrain Compatibility: 1x / 2x
• Use: Road / Cyclocross
• Weight: 352g
• Color: Black
• MPN: CK20EC90SL129ARM175BLK

Important Notes

⚠️ Chainrings and spider not included
⚠️ Bottom bracket not included

Ideal For

✔ Road and cyclocross riders
✔ Lightweight performance builds
✔ Riders wanting drivetrain flexibility
✔ Custom 1x or 2x setups

Why Choose Easton EC90 SL Cranks?

• Ultra-light hollow carbon construction
• CINCH system for maximum versatility
• Clean direct mount design
• Smooth, quiet drivetrain performance
• Proven race-level performance

The Easton EC90 SL Carbon Crank Arms offer lightweight performance and unmatched versatility—perfect for riders building a high-performance drivetrain.