Over 2,000,000 Million Customers Served!!!

Need Help? Click the Live Chat to Talk to a Gearhead 💪

Enjoy Free Shipping on Orders Over $75 – Available Within the Lower 48 States!

Load image into Gallery viewer, Shimano-Dura-Ace-RD-R9250-Di2-12-Speed-Rear-Derailleur-Medium-Cage-12-Speed-Rear-Derailleur-RRDR0448-Bicycle-Rear-Derailleur
Load image into Gallery viewer, Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black
Load image into Gallery viewer, Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black
Load image into Gallery viewer, Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black

SKU: RRDR0448

Shimano Dura-Ace RD-R9250F Di2 12-Speed Rear Derailleur with Wireless Connectivity, Medium Cage, CFRP Plate, Ultra-Fast Precision Shifting, Extended 11-34T Range, Includes TL-EW300 Charger and Switch, Black

Regular price $930.00
$1,033.95 Sale price $930.00 Regular price
Sale Sold out
Unit price
/per 
Save 10%
  • Free Shipping Over $75
  • 30 Day Returns
  • Satisfaction Guaranteed!

$10 Gift Card

at 250 points

$25 Gift Card

at 500 points

$75 Gift Card

at 1,000 points

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
Specifications

Elevate your cycling performance with the Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - the epitome of precision engineering and cutting-edge technology. Designed for serious road cyclists and race enthusiasts, this 12-speed, medium cage derailleur combines innovative features with sleek style to optimize your drivetrain's efficiency and versatility.

Materials & Construction:

Crafted with high-grade CFRP (Carbon Fiber Reinforced Plastic) for the rear derailleur plate, the RD-R9250F offers exceptional strength-to-weight ratio, ensuring durability and lightweight performance. Its robust construction minimizes flex and maintains precise alignment under load, for stable shifting in demanding conditions.

Performance & Engineering:

Experience ultra-fast, seamless shifting thanks to Shimano's proven Di2 electronic shifting system. The integrated wireless connectivity (includes TL-EW300) facilitates easy setup and real-time adjustments, while the LED status indicator keeps you informed of battery life, pairing status, and mode settings. The wide range capacity-from small sprockets to a maximum of 34 teeth-provides exceptional versatility for various cassette options, from 11-28 to 11-34, catering to both racing and endurance riding.

Components & Technology:

The RD-R9250F features an innovative, compact design with an integrated wireless unit and system charger, streamlining your bike's cockpit for a clean, minimalist look. Its compatibility with Shimano Road Di2 shifters and the 10x1 standard ensures smooth integration into any advanced electronic drivetrain setup. The derailleur's medium cage length balances stability and agility, suited for a broad spectrum of terrain.

Style & Use Case:

Finished in sleek black, the Shimano Dura-Ace RD-R9250F combines high-performance engineering with a refined aesthetic. Whether you're competing professionally or logging long-distance endurance rides, this derailleur delivers reliable, lightning-fast shifts that keep you focused on the road ahead.

Innovative & Differentiating Features:

- Wireless connectivity for effortless setup and adjustments

- Integrated system charger and LED status indicator

- Carbon fiber reinforced derailleur plate for lightweight durability

- Wide gear range capacity accommodating high-performance cassettes up to 34t

- Compact, aerodynamic design optimized for race-ready performance

Upgrade your cycling experience with the Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur-where precision, technology, and style converge to deliver unmatched shifting performance on every ride.

  • Precise, ultra-fast 12-speed Di2 shifting technology ensures seamless gear changes for competitive and recreational cyclists alike.
  • Integrated wireless connectivity and built-in charging port streamline setup and maintenance, reducing clutter and enhancing bike aesthetics.
  • Constructed with lightweight CFRP (carbon fiber reinforced plastic) for superior durability, rigidity, and reduced weight, optimizing overall bike performance.
  • The medium cage design provides versatile gear range compatibility, supporting cassette sizes from 11-28T up to 11-34T for a wider gear selection and smoother rides.
  • Sleek black finish with LED status indicator and user-friendly features make this derailleur ideal for high-performance road cycling, pro racing, and demanding cycling conditions.
Largest Cog34
Rear Der/Shifter CompatibilityShimano Road Di2
Rear Derailleur Mount TypeShimano Rear Direct Mount
Rear Derailleur Mount Type10x1 Standard
Drivetrain Speeds12
Chain Wrap Capacity (teeth)37
Cage LengthMedium
ColorBlack
Shipping
Returns
About Us
Contact Us

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

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

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
  • Warranty: We are an authorized retailer for everything we sell, so rest assured your product is covered under the manufacturer's warranty. Contact Us if you are having an issue and we will make sure you are taken care of
  • 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.

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

*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.

Chat

Talk with a representative

Start Chat

Email

info@365cycles.com

Send Email

Phone

603-968-5797

Call Now

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)