About The Product
- Designed for e-bikes, the SYNC-4E features a cutting-edge 4-piston caliper and motor shut-off integration for superior stopping power and safety
- Powerful 4 Piston hydraulic brake system with smooth modulated braking
- International standard and post mount compatible
- Lever reach adjustment to suit all hand sizes
- Uses environmentally friendly mineral oil
- Spare olives to allow for hose reduction
- Self adjusting 16mm calliper pistons
- 2 pin male motor shut off connector
Upgrade your e-bike's braking system with the Clarks SYNC-4E Hydraulic Brake Rear Post/IS Mount - a high-performance, maintenance-friendly braking solution designed for ultimate safety and reliability. Crafted for electric bicycles, this advanced hydraulic brake integrates cutting-edge engineering, innovative components, and environmentally friendly materials to deliver superior stopping power on every ride.
Materials & Construction:
The Clarks SYNC-4E features a robust 4-piston caliper built from durable, corrosion-resistant materials engineered for long-lasting performance. Its hydraulic system uses eco-friendly mineral oil, ensuring smooth operation while minimizing environmental impact.
Performance & Engineering:
Designed specifically for e-bike applications, the SYNC-4E offers exceptional modulation and consistent braking force thanks to its powerful 4-piston hydraulic design. The self-adjusting 16mm caliper pistons maintain optimal pad alignment and performance over time, reducing maintenance and ensuring reliable stopping power, even during rigorous rides. The motor shut-off compatibility, with a quick 2-pin connector, provides seamless integration with e-bike systems for enhanced safety.
Components & Technology:
This brake system features a post/mount (IS Mount) compatibility that simplifies installation on a wide range of bicycle frames. The 1800mm hose length accommodates various bike geometries, and the inclusion of spare olives allows for hose reduction or customization as needed. Lever reach adjustment ensures a comfortable fit for all hand sizes, promoting better control and rider confidence.
Style & Use Case:
Perfect for e-bike enthusiasts seeking high-performance braking with a sleek, minimalistic design, the Clarks SYNC-4E is ideal for urban commuting, trail riding, and all-electric mountain biking. Its no-rotor configuration reduces weight and simplifies setup, making it a versatile choice for custom builds or upgrade projects.
Innovative & Differentiating Features:
- 4-piston hydraulic caliper equipped with motor shut-off integration for enhanced safety
- Environmentally friendly mineral oil for smooth, reliable braking
- Self-adjusting pistons and reach adjustment for user-friendly maintenance and comfort
- Compatible with international post/IS mounts and no rotor design for versatile application
Key Specifications:
- Caliper Mount: Post/IS Mount
- Hose Length: 1800mm
- Brake Type: Hydraulic, Mineral Oil
- Intended Use: Rear Wheel, No Rotor Included
- Compatibility: E-bike systems with motor shut-off connection
Elevate your e-bike's braking performance with the Clarks SYNC-4E Hydraulic Brake - engineered for safety, powered by innovation, and built to deliver confident stopping on every ride.
- High-performance hydraulic brake system designed specifically for e-bikes, featuring a four-piston caliper and motor shut-off integration for enhanced stopping power and rider safety.
- Constructed with high-quality materials including environmentally friendly mineral oil, ensuring consistent, smooth modulation and reliable braking under various riding conditions.
- Compatible with standard post and IS mount standards, providing versatile installation options suitable for a wide range of e-bike frames and configurations.
- Features self-adjusting 16mm caliper pistons and lever reach adjustment, allowing for easy customization and consistent performance across different hand sizes and riding styles.
- Innovative design includes spare olives for hose reduction, 2-pin motor shut-off connector for seamless integration, and advanced engineering that offers superior braking efficiency, stability, and durability for aggressive riding and everyday e-bike use.
| Specification | Value |
|---|---|
| Manufacturer | CLARKS |
| Manufacturer Part No. | SYNC-4-R-160-AMROW-NOROTOR |
| Universal Product Code | 5021646052883 |
| Invoice Description | BRAKE DISC CLK SYNC-4E HYD RR w/LVR NO ROTOR BK |
| Shipping Weight | 1.09 lbs. |
| Package Dimensions | 9.45 x 8.7 x 2.7 |
| HTS Number | 8714.94.9000C2 |
| Country of Origin | CHINA |
| Front/Rear | Rear |
| Rotor Size | No Rotor |
| Color | Black |
| Type of Fluid | Mineral Oil |
| Hose Length | 1800mm |
| Included Mount | Post/IS Mount |
| Pad ID | 31 |
| Piston Count | 4 |
- 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:
-
You will receive a Return Authorization email with instructions.
-
Print the prepaid label provided by us. ($9.99 will be deducted from your refund)
-
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
