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Ships within 48 hours · Estimated delivery Oct 4 - Oct 9
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Description
shimano gear Deore XT M8100 1 x 12 Groupset – Thunder Mountain BikesThe Shimano Deore XT Groupset is the original trusted mountain bike groupset, beloved by mountain bikers worldwide. No matter the trail or ride, XT delivers reliable shifting, superior braking, and easy maintenance. Engineered for high performance, this groupset is a dependable workhorse for all your mountain biking needs. This kit now includes the new Deore XT M8200 cassette. Shimano Deore XT Groupset Includes: Shimano Deore XT M8100 Series Crank
The Shimano Deore XT Groupset is the original trusted mountain bike groupset, beloved by mountain bikers worldwide. No matter the trail or ride, XT delivers reliable shifting, superior braking, and easy maintenance. Engineered for high performance, this groupset is a dependable workhorse for all your mountain biking needs. This kit now includes the new Deore XT M8200 cassette.
Shimano Deore XT Groupset Includes:
Shimano Deore XT M8100 Series Crank Arms
| Model: | Hub Spacing: | Chainline: | Q-factor: | Weight: |
| FC-M8100 | 135/142mm or 141/148mm (Boost) | 52mm | 172mm | 620 grams |
| FC-M8120 | 141/148mm (Boost) | 55mm | 178mm | 628 grams |
| FC-M8130 | 157mm (Superboost) | 56.5mm | 181mm | 636 grams |
Shimano Deore XT SM-CRM85 Chainring
- Available sizes: 28t, 30t, 32t, 34t, 36t
Shimano CS-M8200-12 Cassette
- Cogs: 10-51t: 10-12-14-16-18-21-24-28-33-39-45-51
- Freehub Interface: Microspline
- Average Weight: 10-51t: 458 grams
Shimano SL-M8100-IR Shift Lever
- Mount: I-SPEC EV
- Max Multiple Shifts: 4
- Shifter Type: Rapidfire Plus
- Average Weight: 120 grams
Shimano RD-M8100 Rear Derailleur
- Cage Length: SGS/Long
- Max Low Sprocket: 51t
- Min Low Sprocket: 45t
- Pulley Size: 13t
- Average Weight: 284 grams
Shimano CN-M8100 Chain
- # of Links: 138
- Roller Link Plate: Sil-Tec
- Quick Link included
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
4.2 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
KONG RING
Size: Small (Pack of 1), Product Packaging: Standard Packaging
My chesky terrier LOVES to play fetch with this ring. It is durable, NO squeaker which makes me happy, a nice solid weight. She weighs 22 lbs and I got the small. I do NOT let her chew on this after her playtime.
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Reviewed in the United States on May 11, 2026
★★★★★ 4
Non destructive toy
Size: Small (Pack of 1), Product Packaging: Standard Packaging
2nd one our dogs favorite.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
★★★★★ 5
Great for chewers!
Size: Small (Pack of 1), Product Packaging: Standard Packaging, Size: Small (Pack of 1), Product Packaging: Standard Packaging
Our girl loves her new toy. She is super protective over it and goes crazy chewing it. The material and quality are great. She hasn’t made a dent in it yet. It’s light weight and true to size perfect for a puppy or small dog. It can be washed off easily since it’s made of rubber. If you want something your dog can solo play with that doesn’t squeak it’s perfect. The shape makes it great for carrying around by your pup or even playing tug of war between two dogs. Highly recommend!
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Recommended by my veterinarian
Size: Small (Pack of 1), Product Packaging: Standard Packaging
My veterinarian recommended the red Kong as a chew toy. I’d been buying my 13 lb, now 7 yrs old dachshund the flavored nylabone chew toy products “for aggressive chewers” since he was about a year old. He loves them and would chew them daily. All seemed well. On his last checkup the veterinarian even said that his mouth looked good, but we both could see that there was a brown tartar buildup on his back teeth. Since our veterinarian’s practice has one veterinarian who has dental training, I decided to arrange for a teeth cleaning for my dog. Unfortunately, although none of us expected it, once the tartar was removed from the back teeth it was clear that the teeth had cracks. One large tooth was even chipped down to where we could see the pulp! (Yes, I did note that he occasionally would suddenly squeal when chewing his nylabone, but I thought it was because he’d hit one of the sharp points on a well-chewed nylabone.) The vet recommended that two of the teeth be removed while the dog was still asleep. Then he recommended the red Kong chews for him and said that he would never recommend the nylabone for any dog. They are just too hard and he’s seen too many dogs (of all sizes) end up with cracked and chipped teeth that he (the vet) thinks could have been avoided. He recommended the red Kong for my small dog. The black Kong chew toys are harder and more suited for larger breed aggressive chewers. So far my dachshund is satisfied with chewing the Kong, so that’s what I’ll be buying from now on.
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Reviewed in the United States on November 14, 2024
★★★★★ 5
Lifesaver teether
Size: Small (Pack of 1), Product Packaging: Standard Packaging
Such a great little toy for my teething puppy. He loves the texture!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
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