Features & Benefits
- 6 Colors Available
- Great Stopping Power
- Comfortable Brake Feel
- More Comfortable Lever
- High-performance Pads
- TÜV Rheinland Professional Certification
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- JFOYH Upgraded E4 MTB 4 Pistons Hydraulic Dis...
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Item #:
65831067
JFOYH Upgraded E4 MTB 4 Pistons Hydraulic Disc Brake Set with Cooling Metal Pads for Mountain Bike(Pre-Bled, Front and Rear)
Item #:
65831067
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Imported from USA store
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Great Stopping Power: Newly upgraded 4-piston disc brake caliper with cooling all-metal pads.Comfortable Levers: with ceramic bearings for the ultimate braking experience. At the same time, it has anti-slip particles and tool-free to adjust the gap between the pads.
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What Stands Out
Advanced Cooling Pads
Equipped with cooling metal pads, this brake set effectively dissipates heat for consistent braking performance, reducing the risk of brake fade during intense mountain biking.
Complete Pre-Bled Set
The JFOYH E4 comes pre-bled, eliminating the hassle of bleeding your brakes, ensuring a quick and easy installation for mountain biking enthusiasts of all experience levels.
Powerful 4-Piston Design
The 4-piston construction delivers superior stopping power and modulation, enhancing rider control on rugged trails, making it ideal for aggressive mountain biking conditions.
Product Details
| Brand Name | JFOYH |
| Manufacturer Part Number | JFOYH E4 |
| Manufacturer | JFOYH |
| UPC | 774144172953 |
| Model Number | JFOYH E4 |
| Item Weight | 0.64 Kilograms |
| Compatible with Vehicle Type | mountain_bike |
| Brand | JFOYH |
| Vehicle Service Type | mountain_bike |
| Country of Origin | This item will be imported from US |
| Date First Available | October 09, 2022 |
| What is in the box | JFOYH Upgraded E4 MTB... For more details, please check description/product details |
Who Should Buy?
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Mountain Bikers
Ideal for serious mountain bikers seeking powerful stopping performance and improved heat dissipation during steep descents.
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All-Terrain Riders
Perfect for riders tackling various terrains, ensuring reliable brake performance in both wet and dry conditions.
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Performance Seekers
Recommended for competitive cyclists demanding high-performance braking for downhill racing and challenging trails.
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Casual Riders
Not ideal for casual cyclists who do not require high-performance brakes, leading to excess cost and complexity.
Product Description
JFOYH Upgraded E4 MTB 4 Pistons Hydraulic Disc Brake Set with Cooling Metal Pads for Mountain Bike(Pre-Bled, Front and Rear)
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are the main features of the JFOYH Upgraded E4 MTB Hydraulic Disc Brake Set?
Answer: The JFOYH Upgraded E4 MTB Hydraulic Disc Brake Set features a 4-piston design, enhancing braking power and heat dissipation, which is essential for mountain biking. The package includes pre-bled brakes, ensuring hassle-free installation and optimal performance out of the box. The cooling metal pads contribute to extended brake life and reduce fade under heavy usage. These features make it suitable for intense rides and challenging terrains, ensuring you have reliable stopping power when needed most. -
Question:
How does the 4-piston design improve braking performance?
Answer: The 4-piston design of the JFOYH brake set increases the contact area between the brake pads and rotor, offering superior braking force compared to traditional 2-piston systems. This means that less force is required on the lever for the same stopping power, resulting in improved control and responsiveness, especially during steep descents. Riders tackling downhill trails or rugged terrain will appreciate the enhanced safety and confidence these brakes deliver. -
Question:
Are the JFOYH brakes compatible with all mountain bikes?
Answer: The JFOYH Upgraded E4 Hydraulic Disc Brake Set is designed to be compatible with most mountain bikes that use 4-piston hydraulic brakes. However, it is essential to check your bike's specifications, including frame and rotor size, to ensure proper fit and functionality. This compatibility allows riders with various mountain bike types to upgrade their braking systems. Always consult your bike’s manual or a professional if in doubt. -
Question:
What is the advantage of pre-bled brakes?
Answer: Pre-bled brakes come ready to install, eliminating the need for additional bleeding or setup before use. This feature allows users to quickly mount the brakes and start riding, saving significant time and reducing the risk of improper installation. For new mountain bikers or those without hydraulic brake experience, this makes it a stress-free upgrade. Enjoy the ride right away without worrying about complex setup procedures. -
Question:
How do cooling metal pads enhance brake performance?
Answer: Cooling metal pads are designed to dissipate heat more effectively than traditional organic pads, which can lead to brake fade during prolonged use. By maintaining lower temperatures, these pads ensure consistent performance and prolong the life of both the pads and the rotors. This feature is particularly beneficial for aggressive riders who tackle steep descents or those embarking on long rides in varied weather conditions, where optimal braking performance is crucial. -
Question:
Can I install the JFOYH brakes myself, or do I need professional help?
Answer: While experienced cyclists may find it feasible to install the JFOYH brakes themselves, those with limited mechanical expertise might benefit from professional installation. The pre-bled system simplifies the process significantly, but specific tools and installation knowledge may still be required for optimal performance. For the best results, refer to the installation manual or watch instructional videos tailored to hydraulic brakes. -
Question:
What should I do if I experience brake issues after installation?
Answer: If you encounter issues with the JFOYH brakes after installation, start by checking for proper installation and alignment. Ensure that the brake pads are seated correctly and that the rotor has enough clearance. If problems persist, a quick visual inspection of the hydraulic line for leaks or obstructions can be helpful. For complex issues or if you're unsure, consulting a bike mechanic is advisable to maintain safety and performance. -
Question:
Where can I buy the JFOYH Upgraded E4 MTB 4 Pistons Hydraulic Disc Brake Set?
Answer: You can purchase the JFOYH Upgraded E4 MTB 4 Pistons Hydraulic Disc Brake Set at Ubuy in Nauru. Ubuy offers a user-friendly platform where you can find the complete specifications, customer reviews, and other related products, making it easy to make an informed buying decision. -
Question:
Are there any specific maintenance tips for hydraulic disc brakes?
Answer: Maintaining hydraulic disc brakes, like the JFOYH model, requires minimal effort but is essential for optimal function. Regularly inspect the brake pads for wear and ensure they remain clean and free from dirt. Keep an eye on the hydraulic fluid level, and if you notice any drastic performance changes, consider getting the system bled. Additionally, periodically check rotor alignment and cleanliness to ensure smooth operation during rides. -
Question:
What types of terrain are best suited for these brakes?
Answer: The JFOYH Upgraded E4 Hydraulic Disc Brake Set is particularly well-suited for rugged terrains, including downhill trails, rocky paths, and steep descents. The enhanced braking power and heat dissipation capabilities make it ideal for aggressive riding styles and technical courses. Riders who frequently navigate challenging environments will find these brakes provide the reliability and performance essential for both safety and enjoyment.
JFOYH Disc Brake Sets JFOYH E4 Editorial Review
The JFOYH E4 4-Piston Hydraulic Disc Brake Set is a pre-bled brake set that is easy to install and use straight out of the box. It is compatible with Shimano H03A-RF/H03C-MF pads and is equipped with standard length hoses, with the front brake hose measuring 800mm (31.5") and the rear brake hose measuring 1550mm (61.0"). However, if you need longer hoses, you can replace them with hoses that have an outer diameter of 5mm and an inner diameter of 3mm, BH59 olive sleeve model, and re-bleed with mineral oil. The brake lever can be adjusted to your preference, allowing you to switch the left and right brake levers to have the left lever control the back brake and the right lever control the front, moto-style. Unfortunately, replacement pads for this brake set are not currently available, but will be sold separately in the near future. Overall, the JFOYH E4 4-Piston Hydraulic Disc Brake Set is a reliable and easy-to-use option for cyclists in need of a new brake system.
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Pros
- Pre-bled and easy to install
- Compatible with Shimano H03A-RF/H03C-MF pads
- Brake lever can be adjusted to personal preference
Cons
- Replacement pads not currently available, but will be sold separately in the future
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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