CYCrown | Crank Arm | 3783104

SKU: 3783104

$39.00

🚚 Free Shipping & No Sales Tax (some exclusions apply)

📦 Fast 4-7 Day Delivery

❓ Questions? Email us support@discoveranddo.com Call Our Experts 1-833-657-4927

Model

Size

Lightweight Forged Crank Arm — Reliable Pedal Power

A strong, compact crank arm engineered to transfer your pedal strokes efficiently and reliably. Designed for everyday riding and spirited weekends, it balances low weight with durable construction so you get consistent performance without fuss.

Benefits

Ride with more confidence thanks to a stiffer connection between pedal and drivetrain.
Feel less fatigue on longer rides because the arm is lightweight and responsive.
Simplify maintenance and upgrades with a common, compatible design.
Quickly replace or swap arms when needed, minimizing downtime.

Features

Forged aluminum construction for a balance of strength and low weight.
CNC-machined pedal interface and axle mount for precise fit and alignment.
Available in multiple arm lengths to match riding style and fit.
Standard crank bolt/pinch mounting for easy installation with common tools.
Anodized surface finish to resist corrosion and wear.
Compatible with single and multi-chainring setups depending on crankset configuration.

Specifications

Material: Forged 6061-T6 aluminum
Available lengths: 165 mm, 170 mm, 172.5 mm, 175 mm
Weight: approximately 165–190 g (170 mm example ~175 g)
Finish: Anodized matte black (other colors may be available)
Spindle interface: compatible with 24 mm integrated spindles (Shimano Hollowtech II style); adapters available for other systems
Pedal thread: 9/16" standard
Crank bolt torque: 12–15 Nm (manufacturer recommended)
Typical Q-factor: ~145 mm (varies by crankset and chainring setup)
Included in box: crank arm, fixing bolt/pinch bolt, dust cap, installation instructions
Recommended use: road and recreational mountain biking; verify compatibility with your crankset model before purchase

Free standard shipping on all U.S. orders. Orders are typically processed within 1–2 business days (Mon–Fri). Delivery usually takes 4–7 business days after dispatch. Tracking details are emailed once your order ships. View full Shipping Policy .

For help, contact us at support@DiscoverAndDo.com or call 1-833-657-4927 (Mon–Fri, 9 AM–6 PM EST).

Enjoy easy returns within 30 days of delivery. Items must be unused, undamaged, and in original packaging. Change-of-mind returns may be subject to a 25% restocking fee. Defective, damaged, or incorrect items are fully covered with free return shipping and a replacement or full refund. View full Returns & Refund Policy .

For help, contact us at support@DiscoverAndDo.com or call 1-833-657-4927 (Mon–Fri, 9 AM–6 PM EST).

Description

Lightweight Forged Crank Arm — Reliable Pedal Power

Benefits

Ride with more confidence thanks to a stiffer connection between pedal and drivetrain.
Feel less fatigue on longer rides because the arm is lightweight and responsive.
Simplify maintenance and upgrades with a common, compatible design.
Quickly replace or swap arms when needed, minimizing downtime.

Features

Forged aluminum construction for a balance of strength and low weight.
CNC-machined pedal interface and axle mount for precise fit and alignment.
Available in multiple arm lengths to match riding style and fit.
Standard crank bolt/pinch mounting for easy installation with common tools.
Anodized surface finish to resist corrosion and wear.
Compatible with single and multi-chainring setups depending on crankset configuration.

Specifications

Material: Forged 6061-T6 aluminum
Available lengths: 165 mm, 170 mm, 172.5 mm, 175 mm
Weight: approximately 165–190 g (170 mm example ~175 g)
Finish: Anodized matte black (other colors may be available)
Spindle interface: compatible with 24 mm integrated spindles (Shimano Hollowtech II style); adapters available for other systems
Pedal thread: 9/16" standard
Crank bolt torque: 12–15 Nm (manufacturer recommended)
Typical Q-factor: ~145 mm (varies by crankset and chainring setup)
Included in box: crank arm, fixing bolt/pinch bolt, dust cap, installation instructions
Recommended use: road and recreational mountain biking; verify compatibility with your crankset model before purchase