will this work for 1X11- 51 Teeth drive terrain?

Yes. It's designed for 1x11 speed drive train. I use it on a 11-51 cassette.

Can I attach this 5100 w/o the G link which was part of my prior shimano deraillor?

It should bolt to your existing derailleur hanger.

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Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Shift like a pro, ride like you own the trail.

SHADOW RD CHAIN STABILIZER - Minimizes chain slap and drop, keeping your ride smooth and silent.
COMPATIBLE WITH 51 T MAX COG - Tackle steep climbs with confidence on an 11-speed drivetrain.
LIGHTWEIGHT ALLOY STEEL BUILD - Durability meets performance at just 0.5 kg for effortless handling.
PRECISION 1 X 11 SPEED SHIFTING - Experience seamless gear transitions designed for the modern trailblazer.
ROCK SMART LOW PROFILE DESIGN - Engineered to avoid damage from trail obstacles, so you stay unstoppable.

The SHIMANO Deore RD-M5100 Rear Derailleur is a high-performance 1x11-speed component featuring the innovative Shadow RD chain stabilizer system to reduce chain slap, drop, and noise. Its low-profile design protects against trail damage, supports up to a 51T cog for versatile gearing, and is crafted from durable alloy steel weighing only 0.5 kg—perfect for serious cyclists seeking reliable, silent, and stable drivetrain performance.

Specifications

ASIN	B088XPFXGT
Brand Name	SHIMANO
Case Material Type	Aluminum
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (147)
Included Components	Rear Derailleur
Item Dimensions L x W x H	12.7L x 9.5W x 17.1H centimeters
Item Weight	1.08 Pounds
Manufacturer	SHIMANO
Manufacturer Part Number	IRDM5100SGS
Material Type	Alloy Steel
Model Number	IRDM5100SGS 3/15
Mount Type	Shimano Rear Direct Mount
Number of Teeth	11
UPC	192790618708

Reviews

J**T

... boxed as new

7.11.2025

E**A

Arrivato con gabbia schiacciata perché non aveva un imballaggio, ma solo un sacchetto.

29.08.2023

H**R

Shinmano eben. Montiert, eingestellt und funktioniert. Keine Probleme

24.02.2025

R**.

It works. Not sure why anyone needs anything more expensive than this

10.05.2025

L**S

Producto perfecto y poner el precio esta muy bien

24.06.2025

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COP 427883

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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