About The Product
- Aluminum large lever, engineered grade polymer small lever
- Podium top display
- SHIMANO Equivalent SL-2403 / SL-M360
Upgrade Your Mountain Bike with the SunRace M403 Flat Bar Trigger Shifter Set - 7-Speed, Dual Lever
Enhance your biking experience with the SunRace M403 Flat Bar Trigger Shifter Set, designed for seamless, reliable gear changes on your mountain or hybrid bike. Built with performance-driven materials and innovative engineering, this 7-speed trigger shifter provides precision shifting, durability, and ergonomic control to elevate your rides.
Materials & Durability
Crafted with a lightweight composite lever set, the SunRace M403 offers exceptional durability and resistance to fatigue under demanding trail conditions. The slick-galvanized cable ensures smooth, consistent operation, reducing cable friction and extending the lifespan of your shifting components.
Performance & Engineering
Engineered for optimal performance, this trigger shifter features a push-pull shifting operation that delivers quick, crisp gear changes. The Podium top gear display allows for effortless identification of your current gear, enhancing rider confidence and efficiency during climbs and descents.
Components & Technology
Compatible with Shimano Mountain drivetrain systems, the SunRace M403 supports triple chainring setups for versatile gearing options. Its innovative 2 to 1 gear ratio and DLM53 type design ensure smooth, responsive shifts across all 7 speeds, making it ideal for rugged mountain trails or everyday biking.
Style & Use Case
Designed for flat handlebars, this trigger shifter set combines sleek aesthetics with ergonomic ergonomics, providing a comfortable grip for extended rides. Whether you're tackling technical mountain trails or casual rides around town, the SunRace M403 offers dependable shifting performance with a clean, streamlined look.
Key Features:
- Compatible with 3x7-speed Shimano Mountain drivetrains
- Push-Pull shifting mechanism for precise gear changes
- Podium top gear indicator for easy gear position recognition
- Durable composite levers and galvanized cable for longevity
- Lightweight design at only 287 grams for reduced bike weight
- Compatible with Shimano mountain bike components
Optimize your mountain biking setup with the SunRace M403 Flat Bar Trigger Shifter Set - the perfect blend of technology, style, and performance to keep you confident on every ride. Order now and experience smoother, more reliable gear shifts today!
- Enhanced durability with a lightweight composite lever construction designed for rugged mountain biking and trail riding.
- Optimized for 3x7-speed Shimano mountain bike drivetrains, ensuring seamless gear shifts and reliable performance across varied terrains.
- Features innovative push-pull lever operation with a slick-galvanized cable for smooth, precise shifting and minimal cable friction.
- Includes a clear podium gear display for quick gear identification, improving shifting accuracy and rider confidence during strenuous climbs and descents.
- Compatible with Shimano mountain components, incorporating the advanced DLM53 shift technology for consistent, smooth multi-speed shifting in demanding riding conditions.
| Specification | Value |
|---|---|
| Manufacturer | SUNRACE |
| Manufacturer Part No. | DLM53.7300.0S2.BX |
| Universal Product Code | 4710944226805 |
| Invoice Description | SHIFTER SUNRACE HB DLM53 TRIGGER 3x7s PR |
| Shipping Weight | 1.08 lbs. |
| Package Dimensions | 9.65 x 5.05 x 2.95 |
| HTS Number | 8714.99.5000 |
| Country of Origin | TAIWAN |
| Type | DLM53 |
| Left/Right/Pair | Pair |
| Speeds | 3x7sp |
| Ratio | 2 to 1 |
| Color | Blk |
| Weight | 310g |
- 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:
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The item must be in new, unused, and uninstalled condition.
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All original packaging, tags, hardware, and accessories must be included and intact.
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Items showing wear, installation marks, damage, or improper use cannot be accepted.
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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:
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You will receive a Return Authorization email with instructions.
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Print the prepaid label provided by us. ($9.99 will be deducted from your refund)
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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:
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Electronics with opened packaging or broken manufacturer seals
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Any part that has been installed or shows installation attempts
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Tools or chemicals that have been opened or unsealed
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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:
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Alaska
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Hawaii
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Puerto Rico
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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.
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We cannot ship hazardous materials or oversized items to military addresses due to carrier and military mail restrictions.
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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