Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
Shimano Ultegra ST-R8050 Di2/Caliper Brake 11-Speed Right STI LeverThe Ultegra ST R8050 series shares the same Di2 electronic shifting technology as Dura Ace, at a more affordable price. Featuring stress free cable actuated operation and improved ergonomics for all day riding comfort and performance. Compatible with caliper brakes Clearer separation between the buttons ensures precise shifting even when the driver wears thicker gloves Multi Shift can be switched on or off individually for each switch The buttons
The Ultegra ST-R8050 series shares the same Di2 electronic shifting technology as Dura-Ace, at a more affordable price. Featuring stress-free cable-actuated operation and improved ergonomics for all-day riding comfort and performance.- Compatible with caliper brakes
- Clearer separation between the buttons ensures precise shifting even when the driver wears thicker gloves
- Multi-Shift can be switched on or off individually for each switch
- The buttons under the top cover can be programmed to control third-party devices
- All features are customizable with Shimano’s E-Tube app or PC software
Product Specifics
- Drivetrain Speeds: 11
- Brake Lever Actuation: Short Pull
- Shifter/Derailleur Compatibility: Shimano
- Cassette Spacing: Shimano/SRAM 11
- Adjustable Reach: Yes
- Includes Brake: No
- Rear Der/Shifter Compatibility: Shimano Road Di2
Today's Stock Status
Currently not available
UPC: 689228762619
EAN: Not available
Manufacturer Part Number: ISTR8050R
LD0623
155794-Q0-L
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 2490 reviews
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Product Reviews
★★★★★ 5
The Dog LOVES IT!
I bought this for my ex-wife's Pitbull. He is an aggressive chewer and usually destroys any toy I buy him. But not this one! The ball is small enough and pliable that it gives when he chomps on it. He loves this ball and seems to be his favorite toy. Thank you for making a product that he likes and can't destroy!
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Reviewed in the United States on December 30, 2024
★★★★★ 5
My Golden Retriever’s favorite
We’ve owned lots of toys and balls. This specific version (in blue) has been her absolute favorite. She’s about 72lbs and chews on this thing regularly with no visible damage. We actually own about 6 of them because they have a tendency to go missing underneath furniture and in the yard. We have two of the orange colored ones but she doesn’t like those nearly as much which I assume is because the blue is easier to see in the grass.
Other than that…They bounce really well and also whistle a little when you throw them hard enough. I hope they never stop making these.
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Reviewed in the United States on October 6, 2024
★★★★★ 4
doesn't whistle as loud as other chuckit balls I've seen, but a good ball.
makes some noise, but I've seen (and played with) others at the dog park that whistle much louder than the 1 I got. all Chuckit balls... so, just this one I'm betting.
but it flys good and the dog loves to chase it.
he chews it a fair bit as well and the ball has not taken much damage from him (lab mix) or others that have had a go at it.
I'll likely buy another at some point ... just wish it was a little louder when flying.
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Reviewed in the United States on November 4, 2025
★★★★★ 5
Blue ball, my dog likes blue.
Just a ball right? Evidently not! My dog won’t chase an orange chuck it ball or the glow in the dark ball- only the blue one 🤷🏼♀️
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Reviewed in the United States on May 9, 2025
★★★★★ 3
I wanted a blue ball
It's great. It just wasn't blue.
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Reviewed in the United States on January 5, 2026
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