SKU: 21834991320

Shimano RD-M8100-SGS Deore XT Long Cage 12-Speed Rear Derailleur

Sale price$155.69 Regular price$172.99
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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22

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Description

Shimano RD-M8100-SGS Deore XT Long Cage 12-Speed Rear DerailleurSHIMANO DEORE XT Rear Derailleur SHIMANO SHADOW RD+ 1x12 speed The all new SHIMANO DEORE XT M8100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12 speed cassettes boosts range. FEATURES Fast and precise shifting performance optimized to take on

SHIMANO DEORE XT - Rear Derailleur - SHIMANO SHADOW RD+ - 1x12-speed

The all-new SHIMANO DEORE XT M8100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range.

FEATURES

  • Fast and precise shifting performance optimized to take on any trailFaster and shockless shifting
  • HYPERGLIDE+Wide range 12-speed drivetrain with low sprocket combination -10-51T
  • Silent drivetrain in all gear positionsDecreased rear derailleur and chain tension in low gear
  • New bumper added to rear derailleur pulley cage
  • Bump Stopper
  • Bigger 13T pulley
  • Stable drivetrain on rough terrain

SPECIFICATIONS
Cage Length: SGS/Long
Total Capacity: 41T
Max Front Difference: 0T
Colour: Series Colour
Mount: Direct attachment (conventional)/Direct mount compatible
Guide Pulley Bearing: Sealed Bearing
Tension Pulley Bearing: Sealed Bearing 
Number Of Pulley Teeth: 13T
Max Low Sprocket: 510T
Min Low Sprocket: 45T 
Rear Speeds: 12
Top Normal Spring Type: Shimano Shadow RD+

SKUs
Product Code: IRDM8100SGS
Model No: RD-M8100

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 21834991320

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Yae.Lynn
Alexandria, US
★★★★★ 5
Obsessed with this sunscreen stick!
Just got this Beef Tallow Sunscreen Stick and I'm honestly really impressed! I wasn't sure what to expect since I've never used a tallow based sunscreen before, but it feels so nice on my skin. It glides on super smoothly, doesn't leave a weird sticky feeling, and makes my skin feel moisturized instead of dry like some sunscreens do. I also love how easy it is to throw in my bag and just reapply throughout my day. The ingredients are a huge plus for me too ofc! I like that it's made with beef tallow, honey, and beeswax instead of a bunch of stuff I can't pronounce. I've worn it outside for a few hours already and it held up great. No irritation, no white cast, and my skin felt really soft afterward. Definitely happy with this purchase and I'll be keeping it in my daily routine. Highly recommend if you're looking for a more natural sunscreen option!
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Reviewed in the United States on June 6, 2026
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Alianet Fernandez
Bozeman, US
★★★★★ 5
Loved This Sunscreen Stick ☀️
I really love this sunscreen stick! It feels smooth on the skin, doesn’t leave a heavy white cast, and the natural ingredients make it feel very gentle. I also liked how moisturizing and easy to apply it was. Perfect for everyday use and great for keeping my skin protected outdoors! ☀️
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Reviewed in the United States on May 23, 2026
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Jalynn
Dallas, US
★★★★★ 4
Good but very small
The texture is smooth and it smells nice. Definitely way smaller than I was expecting.
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Reviewed in the United States on March 4, 2026
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Amazon Customer
Houston, US
★★★★★ 3
Tiny
This is closer to the size of a chapstick. It works great but such a tiny amount almost single use. Expensive.
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Reviewed in the United States on April 16, 2026
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Yanys
Birmingham, US
★★★★★ 5
Goo
I really liked it because it contains natural ingredients like beef tallow, beeswax, and honey, which leave the skin soft and hydrated. It’s easy to apply, not greasy, and provides great SPF 50 protection. Perfect for everyday use.
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Reviewed in the United States on April 28, 2026

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