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SKU: BKTS0003

Hope RX4 Bleed Syringe with Mineral Oil for Precision Brake Fluid Maintenance | Compatible with RX4 Calipers Using Mineral Oil (M Cap) | Durable, High-Performance Engineering for Accurate Brake Bleeding

Regular price $16.02
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$25 Gift Card

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$75 Gift Card

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This is a pre order item. We will ship it when it comes in stock.

$10 Gift Card

at 250 points

$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

Description

Optimize your bike's braking performance with the Hope RX4 Bleed Syringe - Mineral Oil, a precision-engineered tool designed for efficient and clean brake fluid bleeding. Crafted from durable, high-quality materials, this syringe ensures reliable performance during maintenance and repair, making it an essential component for serious cyclists and bike shops alike.

Materials & Build Quality

Constructed from corrosion-resistant, sturdy plastics, the Hope RX4 Bleed Syringe delivers long-lasting durability and resistance to chemicals. Its ergonomic design facilitates a secure grip and precise control, reducing mess and increasing ease of use during brake system maintenance.

Performance & Engineering

Specially formulated for bleeding Hope RX4 calipers, this syringe is optimized for use with mineral oil-based brake fluids, providing smooth, bubble-free bleeding. The syringe's tapered tip allows for seamless fluid transfer, minimizing air entrapment and ensuring optimal brake responsiveness and modulation.

Components & Technology

Featuring a high-precision plunger mechanism, the Hope RX4 Bleed Syringe enables consistent, smooth operation, critical for maintaining consistent brake feel. It is specifically calibrated for RX4 systems that use mineral oil, distinguished by the M etched on the caliper bore cap, ensuring compatibility and precision during service.

Style & Use Case

Whether performing routine maintenance or extensive brake upgrades, this bleed syringe is ideal for mountain biking, cyclocross, and gravel riding where reliable, responsive braking matters most. Its compact, user-friendly design makes it perfect for both professional bike shops and dedicated cyclists who demand top-tier brake performance.

Innovative & Differentiating Features

This syringe is tailored to match Hope's advanced RX4 hydraulic disc brake system, with clear compatibility indications ( M for mineral oil) ensuring correct usage. Its meticulous construction and engineering streamline the bleeding process, reduce waste, and help maintain the integrity of your brake system.

Enhance your brake maintenance routine with the Hope RX4 Bleed Syringe - Mineral Oil, the reliable choice for clean, efficient, and professional brake service. Designed to meet the standards of demanding cyclists and bike technicians, it's your key to optimal stopping power and safety on every ride.

  • Precision-engineered Hope RX4 Bleed Syringe designed for seamless mineral oil brake fluid bleeding, ensuring optimal hydraulic performance.
  • Made from high-quality, durable materials resistant to chemical degradation, providing long-lasting reliability during maintenance.
  • Compatible exclusively with RX4 calipers using mineral oil, with clearly etched identifiers for easy selection-D for DOT fluid, M for mineral oil systems.
  • Ideal for professional bike maintenance and upgrades, this syringe allows for precise fluid transfer and bleeding, reducing air bubbles and enhancing braking response.
  • A essential tool for cyclists seeking maximum braking efficiency, advanced engineering, and easy-to-use design for consistent, safe hydraulic brake system servicing.
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We pride ourselves on our ability to ship and deliver your gear with excessive speed! We ship from 22 locations throughout the United States and most orders will arrive in 3 days or less with Free Shipping on orders over $75!

The nitty gritty, for specific delivery timelines please pay attention to the delivery timelines on the product pages and the time frame estimated in the carts. If you need a part by a specific day, please contact us by chat, phone, or

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Most orders placed during the workweek before 1:00 PM Eastern time ship the same day, but during peak/holiday season or depending on inventory location handling time can take up to 48 hours. If you have questions regarding shipping estimates, don't hesitate to get in touch with us before placing the order. There is a direct signature requirement for all orders over $500.

We provide the you the ability to utilize multiple shipping & billing addresses, based upon what fits your current needs. However you are responsible to maintain and update any new address changes, as 365 Cycles will not be held liable for orders being shipped to an incorrect address.

  • Our Mistake: If we messed it up you can rest assured we are going to make it right. Contact us by email, phone, or chat and we will make your head spin with how quick we fix it
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  • Just don't want it anymore: We have a 30-day return policy for orders within the US. We offer refunds on returned items that are brand new and in their undamaged, original packaging. Customers are responsible for the cost of return shipping. Damaged, installed, and used items as well as those without original packaging are not eligible for returns. If it's returned in this condition it may be denied and sent back to you

If you need to return your order please email us at info@365cycles.com, call us at 603-968-5797, or use the live chat on our site.

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*Please allow up to 3 business days for us to process your return*

365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

Living an active lifestyle is just that, a lifestyle that never goes away and our goal is to always exceed your expectations so we can take this lifelong journey together. We strive to have the parts you need, at competitive prices with unmatched shipping speeds!

If there is ever an issue with an order we will work at warp speed to fix our mistake and make sure you never go a day without a bicycle! If you are not receiving the quality of service you need from one of our exceptionally qualified bicycle experts, tell them Ben Berman told you to tell them "Customer Loyalty" and then name your terms.

Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


Company Core Values: 

These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

Customer Loyalty

Put yourself in their shoes and support those who support us.

You Control the Outcome

If it is to be, it’s up to me" You are personally responsible for controlling the outcome.

Seek Understanding

Understanding the answer is more important than the answer.

Progress Not Perfection

Pick a direction, analyze the results, and be willing to change course.

Will to Win

Customers, 365 Team, Partners, all need the will to win. Bring the Will to Win to every conversion.

Keep Moving

Move the body, move the mind, and remove any hurdles to achieving an active lifestyle.

Do the Right Thing:

Doing the right thing is more important than doing the thing right.

Stronger together:

If you want to go fast, go alone, if you want to go far, go together. Get your team involved and become stronger together.

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