What is the outside diameter of this sprocket

Measured from one point to the (nearly) opposite point, it's 1 9/16"

what kind of chain can i use with this gear?

This sprocket fits 1/8x1/2" chain and is too wide for 1/8x 3/32" bike chains used on 21+ speed bikes, but it is easy enough to grind down the beveled sides on a bench grinder by using the side of the wheel and allowing the sprocket to spin while it removes material from the sprocket. Carefully grind both sides while continually checking on a piece of chain for a loose fit. This low tech solution that has worked very well for me. Also, the sprocket is only heat treated/hardened on the surface of the teeth and this ruins the hardness, but still the sprocket seems to last quite a while with somewhat normal use. I've searched for 3/32 width and is very hard to find one even CLOSE to a reasonable price. If this is beyond your capability, you may find a machinist to do this for you and could even re-heat treat it for you.

9t | Desertcart Martinique

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Description

⚙️ Upgrade your ride with precision power – don’t get left behind!

COMPACT PACKAGING - Arrives in secure, professional packaging ready for immediate use
RELIABLE BRAND QUALITY - L-faster’s trusted engineering with 4.1-star rating from 156 users
410 CHAIN COMPATIBILITY - Seamlessly fits standard 410 chains for hassle-free installation
LIGHTWEIGHT ALLOY BUILD - Only 20g of robust alloy ensures durability without added bulk
PRECISION 9 TOOTH DESIGN - Optimized for smooth power transfer on MY1016Z & MY1018 brushed motors

The 9T sprocket by L-faster is a lightweight, durable alloy component designed specifically for brushed motors MY1016Z and MY1018. Compatible with 410 chains, it ensures efficient power transfer and long-lasting performance, backed by positive user reviews and professional packaging.

Reviews

P**Y

Perfect

Just the the job

5.03.2019

F**E

bonne achat

bien

6.12.2020

R**O

Devolución

Se genera mucho problema con el núm. Al realizar la llamada para devolución sigues los pasos para que después te direccione la grabación a otra marcación y hay se corta la llamada y te quedas en cero.

4.02.2023

M**.

PERFETTO!!!

Perfetto come da descrizione. Qualità prodotto eccellente.

18.05.2025

M**.

Great lil sprocket

Just what the Dr ordered. I build motorized props for my Christmas displays and i usually use pulleys and a belt to drive my builds. This year i wanted to do something a tad different than the usual. So i bought 1 of these small sprockets to put on a 12v wiper motor. Made a chain driven prop and this Works Great! Couldnt be more pleased.

26.11.2019

M**E

note générale

Correspond à la description, rien à dire

21.08.2020

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5 days ago

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€ 18.51

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Sold byAmazon MartiniqueDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago