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⚙️ Shift into the future with Shimano XT – where precision meets power!
The Shimano Deore XT RD-M8100-SGS is a high-performance 12-speed long cage rear derailleur engineered for mountain biking. Featuring Shadow+ technology for superior chain retention and quiet operation, it supports single chainring setups and wide-range cassettes. Crafted from durable alloy steel with a sleek black finish, it offers reliable, precise shifting backed by Shimano’s renowned quality and a 1-year warranty.
| ASIN | B07SWQZB46 |
| Best Sellers Rank | 34,815 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 32 in Bike Rear Dérailleurs |
| Brand | SHIMANO |
| Brand Name | SHIMANO |
| Case Material Type | Alloy Steel |
| Colour | Black |
| Country Of Origin | Japan |
| Customer Reviews | 4.7 out of 5 stars 580 Reviews |
| Global Trade Identification Number | 04550170443641 |
| Included Components | Shimano Deore XT |
| Item Dimensions L x W x H | 17.8L x 17.8W x 12.7H centimetres |
| Item Type Name | Brakes & Shifters |
| Item Weight | 200 Grams |
| Item weight | 200 Grams |
| League | Shimano |
| League Name | Shimano |
| Manufacturer | Shimano Deore XT |
| Manufacturer Part Number | 587830 |
| Manufacturer Warranty Description | 1 year manufacturer |
| Material | Other |
| Material Type | Other |
| Model Number | 587830 |
| Mount Type | Clamp-On Mount |
| Mounting type | Clamp-On Mount |
| Number of Teeth | 26 |
| UPC | 192790443645 |
A**R
Perfect
It came Shimano boxed and plastic wrapped in brand new perfect condition, as expected.
T**.
Deore xt M8100
Genuine Shimano product!!
M**S
Well worth the Upgarde
Upgraded from Sram XS system to this Shimano XT RD-M8100-SGS RD-M8120-SGS 12-Speed Rear Derailleur, Long Cage also with Shimano XT8100 shifter and just wow so much smoother this is when changing gears and it just works straight out the box when fitted a little adjustment was needed but not as much with the Sram. Well worth the upgrade
M**.
Genuine
Replaced a completely mangled one after a boulder strike - good value
T**K
Superb
The usual super Shimano quality. The shifting is crisp and accurate and installed without issue , i always default to Shimano XT. im a very happy cyclist
K**A
Works perfect
This definitely was a great upgrade from slx smooth shifting easy to adjust and delivery came the next day before 12pm 👍
A**R
Was what was ordered
Was what was ordered
A**.
Very good quality product
Very good quality product
S**Y
Perfetto
Tutto bene, montato ok
S**O
Calidad
El producto llego como lo espectaba, ya había utilizado esta calidad de desviador y por este motivo lo volví a comprar.
ザ**プ
エンドアジャストボルトの調整も忘れんな（笑）
確実な変速するけど 一番大事なのは調整です エンドアジャストボルトの調整もしっかりしないとちゃんと走る自転車にはならない 付け替えるのは簡単です
C**N
Description eronnée, ce n'est pas le modèle M8100 mais le M8120
Titre et description erronée Attention, le dérailleur n'est pas un M8100 mais un M8120. Différence avec le 8100, pas adapté au mono-plateau et limité à 45d sur la cassette. Arrive sans emballage d'origine shimano, dans un sachet..
R**T
Simple, Reliable and Great Value
It doesn’t get much better for reliability and cost. My last unit lasted 10k miles plus. Super easy to install and tune, extremely smooth shifting.
Trustpilot
1 month ago
5 days ago