Easton EC90 SL Direct Mount CINCH Carbon Crank Arm Set - 175mm - Easton

Easton EC90 SL Carbon Crank Arms 175mm CINCH

$646.00
SKU: CK20EC90SL129ARM175BLK
Quantity:
In stock
Pickup available at Stage 21 Bikes Usually ready in 1 hour

Easton EC90 SL Carbon Crank Arms 175mm CINCH

Stage 21 Bikes

Pickup available, usually ready in 1 hour

23582 Moulton Parkway
#111
Laguna Woods CA 92637
United States

+19497163363

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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.

FREE Shipping

Free shipping within USA on all orders over $99.

International Orders

For non-oversized packages (almost everything except entire bikes) we ship internationally via the US Postal Service (Priority and Express Mail).

For larger packages we ship via UPS. Time in transit will vary, but most orders will arrive within 5-7 business days after dispatch.

We are unable to provide any currency conversion information, as your bank or credit card will have its own methodology for the exchange rate. You can use websites such as XE.com to get a good calculation as to current exchange rates.

FREE Shipping

Free shipping within USA on all orders over $99.

International Orders

For non-oversized packages (almost everything except entire bikes) we ship internationally via the US Postal Service (Priority and Express Mail).

For larger packages we ship via UPS. Time in transit will vary, but most orders will arrive within 5-7 business days after dispatch.

We are unable to provide any currency conversion information, as your bank or credit card will have its own methodology for the exchange rate. You can use websites such as XE.com to get a good calculation as to current exchange rates.

Got Questions?

We can help. Reach us directly at Stage 21.

Toll Free: 855-949-7433
Local: 949-716-3363

info@stage21bikes.com

STORE HOURS

Mon through Fri 10AM - 5PM
Saturday 12PM - 4PM

Got Questions?

We can help. Reach us directly at Stage 21.

Toll Free: 855-949-7433
Local: 949-716-3363

info@stage21bikes.com

STORE HOURS

Mon through Fri 10AM - 5PM
Saturday 12PM - 4PM

Your Payment is Secure

We use a PCI level 1 compliant system for credit card processing which means that it adheres to the highest standards in the world on server compliance, payment processing, and information privacy.

Your Payment is Secure

We use a PCI level 1 compliant system for credit card processing which means that it adheres to the highest standards in the world on server compliance, payment processing, and information privacy.