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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⚡ 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.

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€ 126.19

Duties & taxes incl.

Cyprusstore

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

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Product dimensions	12.7L x 9.5W x 17.1H centimeters
Manufacturer	SHIMANO
UPC	192790618708
Color	Black
Size	Long Cage
Weight	0.5 Kilograms
Material Type	Alloy Steel
Number of Items	1
Sport	Cycling
Included Components	Rear Derailleur
Batteries Included?	No
Department	mens
Item model number	IRDM5100SGS 3/15
ASIN	B088XPFXGT

SHIMANODeore Rd-M5100 Rear Derailleur

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