what time of sprockets/wheels fit in the chain?

the gears fit in it. Saw a video of an FLL robotics team using an arm that used the chain here https://www.youtube.com/watch?v=r6NaT6eoqwg

Lego haunted house elevator chain is too short. Not sure why. I followed all instructions. Are these links compatible?

Look at the piece close. It should have lego logo as well as a part number. It is tiny, but it is there. If its not, then I would return to the person you bought from. As for the Haunted house, I believe it takes extra links.

Are the sprockets the same as the gears?

No, Lego sprockets work with the large tread links. Chain links work with standard Lego gears (spur gears), like the ones in Amazon listing (ASIN) number B00U23VMTS.

Technic Chain Link X100 | Desertcart Argentina

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AR$58473

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Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔗 Unlock your inner engineer with the ultimate LEGO chain set!

EXTENDED REACH - Assembles into a 25-inch chain—ideal for complex builds and multi-machine projects
STEM READY FUN - Encourages hands-on learning and inventive play for aspiring engineers
PRECISION ENGINEERING - Each link crafted from durable ABS plastic for smooth gear operation
SEAMLESS COMPATIBILITY - Designed to integrate flawlessly with LEGO Technic sets and Idea Books
ENDLESS CREATIVE POSSIBILITIES - 100 genuine LEGO chain links to fuel your next Technic masterpiece

The Technic Chain Link x100 is a set of 100 authentic LEGO chain links, measuring 25 inches when connected. Made from durable ABS plastic, these black links are designed for smooth operation in LEGO Technic gear systems, tank treads, and motorcycle chains. Perfect for STEM projects and compatible with LEGO Technic Idea Books, this set offers endless building possibilities for both kids and adult enthusiasts.

Specifications

ASIN	B012E2CL6M
Age Range Description	Kid
Best Sellers Rank	#145,605 in Toys & Games ( See Top 100 in Toys & Games ) #4,702 in Toy Building Sets
Brand Name	LEGO
Customer Package Type	Standard Packaging
Customer Reviews	4.7 4.7 out of 5 stars (587)
Educational Objective	STEM
Is Assembly Required	No
Item Dimensions	1.97 x 0.39 x 1.97 inches
Item Weight	9.07 g
Manufacturer	LEGO
Manufacturer Minimum Age (MONTHS)	60.00
Manufacturer Part Number	3711
Material Type	Acrylonitrile Butadiene Styrene
Model Number	371126
Model Year	2012
Number of Pieces	100
Operation Mode	Manual
Theme	Motorcycle
UPC	673419227865

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AR$58473

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In stock

Sold byAmazon ArgentinaDelivered 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 Argentina.

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TrustScore 4.5 | 7,300+ reviews

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