SUNRACE

Sunrace FC-M408 175mm 38T Steel Crankset, 1x9/10 Speed, JIS Square Taper FCM408.L0DE.0S0.BX

MSRP : $56.53
$43.49
(You save $13.04 )
In Stock
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SKU:
211866
UPC:
4710944268317
Condition:
New
Shipping:
Free Shipping (2-3 Business Days)
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About The Product

  • Economical 1x chainring with narrow/wide tooth profile
  • Steel chainrings riveted to the spider with forged alloy crankarms

Upgrade your cycling experience with the Sunrace FC-M408 Crankset - the perfect combination of performance, durability, and versatile style for modern riders. Designed for 1x drivetrain setups, this 175mm crankset features a dependable 38-tooth chainring, optimized for various terrains and riding styles.

Materials and Construction

Constructed with forged alloy crankarms, the Sunrace FC-M408 ensures lightweight strength and enduring performance. The steel chainring is riveted directly to the spider, providing excellent stability and resistance to wear, even in challenging conditions. Its robust build guarantees longevity, making it a reliable choice for daily commuting, mountain biking, or gravel adventures.

Performance & Engineering

Engineered with a narrow/wide tooth profile, this economical 1x chainring enhances chain retention, reducing the risk of drops during demanding rides. The 122mm JIS square taper spindle offers precise compatibility with a wide range of bike frames, promoting smooth power transfer and efficient pedaling.

Components & Technology

This crankset employs innovative manufacturing techniques, combining forged alloy arms with steel chainrings for a balanced mix of strength and reduced weight. Its 1x9/10-speed compatibility simplifies gearing, allowing for cleaner drivetrain operation and easier shifting adjustments.

Style & Use Case

With its sleek black finish, the Sunrace FC-M408 complements a variety of bike aesthetics, from rugged mountain bikes to urban commuters. Its versatile 1x setup is ideal for riders seeking a streamlined, low-maintenance crankset that delivers reliable performance on trails, city streets, or gravel paths.

Key Features:

- 175mm crank arm length for optimal leverage and comfort

- 38-tooth narrow/wide chainring for secure chain retention

- Steel riveted chainring for durability

- Forged alloy crankarms for lightweight strength

- 122mm JIS square taper spindle for compatibility and smooth power transfer

- 1x9/10-speed compatibility for simplified shifting

Elevate your cycling with the Sunrace FC-M408 Crankset - a high-performance, reliable, and stylish choice for any rider looking to optimize their drivetrain. Whether conquering mountain trails or cruising through city streets, this crankset delivers the performance and durability you need for your next adventure.

  • Durable forged alloy crankarms combined with riveted steel chainrings ensure long-lasting performance and reliability on the trail or commute.
  • Designed with a narrow/wide tooth profile, the Sunrace FC-M408 crankset provides excellent chain retention and smooth shifting for 1x9/10-speed drivetrain setups.
  • Constructed with a 122mm JIS Square Taper spindle, this crankset offers easy installation and compatibility with a wide range of bike frames, making it a versatile upgrade.
  • The 175mm crank arm length paired with a 38-tooth chainring strikes a perfect balance between power transfer, control, and efficiency for mountain biking, gravel riding, or urban cycling.
  • Sleek black finish and minimalist design make the Sunrace FC-M408 crankset an ideal combination of style and performance, suitable for riders seeking an affordable yet innovative component upgrade.
SpecificationValue
ManufacturerSUNRACE
Manufacturer Part No.FCM408.L0DE.0S0.BX
Universal Product Code4710944268317
Invoice DescriptionCRANKSET SUNRACE FCM408 175x38 SQ BK
Shipping Weight1.50 lbs.
Package Dimensions12.1 x 10.4 x 2
HTS Number8714.96.5000
Country of OriginTAIWAN
Length / Teeth175x38
Spindle Type122 SQR JIS
ColorBLK
Weight836g
Speed1x9/10
Supplier:
JBI

Bike Junkies offers no‑hassle returns and exchanges within  60 days of delivery. We want every customer to feel confident when shopping with us, and our return process is designed to be simple, fair, and fast.

Return Eligibility

To qualify for a return or exchange, the following conditions must be met:

  • The item must be in new, unused, and uninstalled condition.

  • All original packaging, tags, hardware, and accessories must be included and intact.

  • Items showing wear, installation marks, damage, or improper use cannot be accepted.

  • An order number is required.

Once your return is received at our warehouse, a refund will be issued within 5 days after inspection.

Refunds

Refunds are issued to the original form of payment once the returned item has been received and approved. If we are unable to refund to the original payment method, the refund will be issued as store credit.

Depending on your bank or credit card provider, it may take an additional 2–3 business days for the refund to appear in your account. 

Exchanges

To make an exchange, simply complete the return process and then place a new order for the item you want instead. This ensures the replacement item is reserved and ships quickly.

How to Start a Return

To request a Return Authorization (RA#), contact us at support@bikejunkies.com. Please include your order number and the item you wish to return.

Once approved:

  1. You will receive a Return Authorization email with instructions.

  2. Print the prepaid label provided by us. ($9.99 will be deducted from your refund)

  3. Ship the item back within 7 days of the RA being issued as RA #'s are only valid for 7 days. 

Please do not tape anything to the original product packaging. Place the item inside a proper shipping box. Using the manufacturer’s box as the shipping container will result in damage and the return may be rejected.

Be sure to keep your return tracking number. Powersport Junkies is not responsible for lost return shipments. You will receive a confirmation email once your return has been processed and refunded.

Defective, Incorrect, or Damaged Items

If you receive a defective, damaged, or incorrectly shipped item, contact us immediately. We will cover the return shipping cost and ensure the issue is resolved quickly.

Non‑Returnable Items

Certain items cannot be returned, including:

  • Electronics with opened packaging or broken manufacturer seals

  • Any part that has been installed or shows installation attempts

  • Tools or chemicals that have been opened or unsealed

  • Open‑box items with destroyed or missing packaging

Our Info

  • Storefront name: Bike Junkies

  • Address: 940 Calle Amanecer, Suite N
    San Clemente, CA 92673

  • Phone: 800-605-2152

  • Support email: support@bikejunkies.com

  • Support hours + timezone: 

        Monday-Friday: 9:00 AM-5:00 PM PST

        Saturday: 9:00 AM-3:00 PM PST

        Sunday: Closed

This Shipping Policy explains how orders are processed, handled, and delivered by Bike Junkies, including delivery timelines, shipping coverage, and special conditions for military addresses. It is designed to give customers a clear understanding of what to expect when placing an order.

Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.

Order Processing and Handling

Orders are processed quickly to ensure fast delivery. Our standard handling time is 0–1 business days. Order cutoff time is 12 PM PST Monday-Friday and orders placed after that will be shipped shipped next business day. 

Transit Times

Once shipped, orders typically arrive within 2–3 business days. Transit times may vary slightly depending on the destination, weather conditions, or carrier-related delays. Delivery estimates apply only after the order has left our facility.

Delivery Schedule

Standard delivery occurs Monday through Friday. Saturday delivery may be available.

Shipping Coverage

Bike Junkies offers free shipping to the lower 48 states of the United States. We do not ship to the following locations:

  • Alaska

  • Hawaii

  • Puerto Rico

  • Any international destination outside the United States

Orders placed with shipping addresses in restricted locations will be canceled and refunded.

Military Shipping (APO/FPO)

Bike Junkies ships to APO/FPO military addresses using USPS only.

  • We cannot ship hazardous materials or oversized items to military addresses due to carrier and military mail restrictions.

  • Transit times to APO/FPO locations may vary significantly depending on military mail processing.

Address Accuracy and Delivery Issues

Customers are responsible for ensuring that all shipping information provided at checkout is accurate and complete. Bike Junkies is not responsible for delays, lost packages, or delivery failures caused by incorrect or incomplete addresses. If a package is returned due to an address error, additional shipping charges may apply to resend the order.

Lost, Delayed, or Damaged Shipments

If a shipment is delayed, lost, or arrives damaged, customers should contact us promptly so we can assist with initiating a claim or resolving the issue with the carrier. While we support the process, final decisions regarding claims are made by the carrier.

Tracking Information

A tracking number is provided via email once the shipping label has been created. Tracking updates may take up to 24 hours to appear after the label is generated.

Shipping Restrictions

Certain items may be subject to shipping restrictions due to size, weight, or hazardous material regulations. If an order cannot be shipped due to such restrictions, we will notify the customer to arrange an alternative solution.

Our Info

  • Storefront name: Bike Junkies

  • Address: 940 Calle Amanecer, Suite N
    San Clemente, CA 92673

  • Phone: 800-605-2152

  • Support email: support@bikejunkies.com

  • Support hours + timezone: 

        Monday-Friday: 9:00 AM-5:00 PM PST

        Saturday: 9:00 AM-3:00 PM PST

        Sunday: Closed

For warranty issues please contact us at support@bikejunkies.com. Each Brand is different and we can provide instruction to complete warranty issues.

Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.

Our Info

  • Storefront name: Bike Junkies

  • Address: 940 Calle Amanecer, Suite N
    San Clemente, CA 92673

  • Phone: 800-605-2152

  • Support email: support@bikejunkies.com

  • Support hours + timezone: 

        Monday-Friday: 9:00 AM-5:00 PM PST

        Saturday: 9:00 AM-3:00 PM PST

        Sunday: Closed