Is the "medium" cage the ss or the gs version? shimano literature does not use the terms "short" or "medium" in their descriptions of the rd 8000.

medium is GS, short is SS for Shimano RD-8000 derailleurs. They cover 11-28T to 11-34T and 11-25T to 11-28T, respectively. See https://bike.shimano.com/en-EU/product/component/ultegra-r8000.html

is this for 10 speed ?

Actually, this will work with 10sp Tiagra. If you have ST-4700 levers (not sure about the MTB (flat bar) shifter version), then the pull ratio will work for and as 10sp on your 10sp cassette and shifter. You'll be future-proofed when you decide to switch out the lever, chain and cassette for actual 11sp. I am running ST-4700, RD-R8000GS, CS-MT771-10, CN-6701 (10sp) chain and everything works flawlessly.

El de tamaño M es el conocido como patilla larga ?

Sí, es lo mismo que pata larga.

What length of chain do I need with a medium cage?

Hi, we sell standard length: 116 link & you buy it & you have to cut yourself. if you need chain, we have it at my amazon store cycle4less asin #B00KQK5RAW. Bob

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Shimano Ultegra R8000 Rear Derailleur Box

Product ID: 66952101

Details

Brand
SHIMANO
Color
Gray
Item Weight
7.04 ounces
Material
Metal
Mounting Type
Braze-On Mount

🔩Durable alloy construction

⚙️Precision 11-speed gearing

🚴‍♂️Wide cassette compatibility 11-34T

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Description

⚙️ Shift into the future with Shimano Ultegra R8000 – where precision meets power!

ROBUST ALLOY BUILD - Lightweight yet tough alloy material ensures long-lasting performance under pressure.
WIDE CASSETTE RANGE - Supports 11-30T and 11-34T cassettes for versatile terrain adaptability.
DIRECT BRAZE ON MOUNT - Easy installation with secure, professional-grade mounting for a clean setup.
SHADOW DESIGN ADVANTAGE - Low-profile design reduces chain slap and enhances stability on every ride.
SEAMLESS 11 SPEED SHIFTING - Experience ultra-smooth gear transitions with Shimano’s precision engineering.

The Shimano Ultegra R8000 Rear Derailleur is a high-performance, 11-speed bicycle component crafted from durable alloy. Featuring a sleek Shadow Design for reduced chain slap, it supports a wide cassette range (11-30T and 11-34T) and fits Shimano Ultegra R8000 and Dura-Ace R9100 groupsets. With a direct braze-on mount and a lightweight 7.04-ounce build, it delivers reliable, smooth shifting for serious cyclists seeking professional-grade drivetrain efficiency.

Specifications

ASIN	B072MKT5NR
Best Sellers Rank	#93,922 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #46 in Rear Bike Derailleurs
Brand Name	SHIMANO
Case Material Type	Other
Color	Gray
Customer Reviews	4.7 4.7 out of 5 stars (760)
Global Trade Identification Number	00689228623156, 04524667623151
Included Components	Bike Parts
Item Dimensions L x W x H	9"L x 4.5"W x 4"H
Item Type Name	Bicycle Parts
Item Weight	7.04 ounces
Manufacturer	Shimano
Manufacturer Part Number	IRDR8000SS
Material Type	Metal
Model Number	C8C055
Mount Type	Braze-On Mount
Number of Items	1
Number of Teeth	35
UPC	689228623156
Unit Count	1 Count
Warranty Description	2 Year Manufacturer

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€ 193.40

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered 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 Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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