Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
Shimano XT RD-M8100-GS Rear Derailleur - 12-Speed, Medium Cage, BlackThe Shimano Deore XT RD M8100 rear derailleur offers fast and precise shifting performance optimized to take on any trail. Offers fast and shockless shifting thanks to HYPERGLIDE+ technology The low profile design includes a bumper added to the derailleur pulley cage Shimano Shadow RD+ technology reduces chain slap and creates a quieter drivetrain Includes large 13t pulley Drivetrain is silent in all gear positions with decreased rear derailleur and
The Shimano Deore XT RD-M8100 rear derailleur offers fast and precise shifting performance optimized to take on any trail.- Offers fast and shockless shifting thanks to HYPERGLIDE+ technology
- The low-profile design includes a bumper added to the derailleur pulley cage
- Shimano Shadow RD+ technology reduces chain slap and creates a quieter drivetrain
- Includes large 13t pulley
- Drivetrain is silent in all gear positions with decreased rear derailleur and chain tension in low gear
Product Specifics
- Rear Derailleur Mount Type: Shimano Rear Direct Mount
- Rear Derailleur Mount Type: 10x1 Standard
- Rear Der/Shifter Compatibility: Shimano Mountain
- Color: Black
- Cage Length: Medium
- Drivetrain Speeds: 12
- Largest Cog: 45
Today's Stock Status
10+ Available to ship in 2-4 Business Days
UPC: 192790897097
EAN: Not available
Manufacturer Part Number: IRDM8100GS
RD0204
156119-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
4.1 ★★★★★
Based on 2121 reviews
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Product Reviews
★★★★★ 3
My doggy no like!
Pattern Name: Star
My dog completely ignored them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
Fun toy
Pattern Name: Checkered
This was a very fun toy but didn't last too long with our 1-year-old lab who is an aggressive chewer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
★★★★★ 5
Yes!
Size: Medium
Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 28, 2025
★★★★★ 5
Balls
Size: Medium
My dog loves chasing these balls. He seems to love the squeak! They fit the chuck it stick perfectly, and are great replacements for the originals that came with the stick.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
★★★★★ 5
Nice set of balls
Size: Medium
The squeaker quickly became my dog’s favorite ball and has replaced the fuzzy tennis balls. My dog is a nonstop fetcher and these chuck it balls are durable and fun.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 9, 2026
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