What is the inner diameter of the center/axle hole.

I assume you are referring to the actual axle on the sturmey AW3 hub, not the cog as shown. The only reason the axle is hollow is to allow the shift spindle to be screwed in, and that part is universal. My point- I don't know, and there's no reason to worry bout it. If you mean the inner diameter of the actual cog shown, same thing. it's universal and fits all sturmey hubs. Fugedaboutit.

Will this fit a 1952 sa 3 speed (aw) hub?

It fit on a 1961 and 1972 SA AW 3 speed.The chain will need to be longer.

Can this go on non-coaster brake bike?

Yes; I bought one for a non-coaster brake bike (but it's true that coaster brake bikes have 1/8" chain and cogs).

Sturmey Archer 1 8 22t Coaster Brake Cog By Sturmey

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R870

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In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Shift your cycling game into high gear with Sturmey Archer precision!

BUILT TO LAST - Crafted from high-grade steel for unmatched durability and long-term performance.
EFFORTLESS BRAKING - Coaster brake cog ensures reliable stopping power with every pedal backspin.
OPTIMIZED GEAR RATIO - Upgrade your ride with the perfect 22t sprocket for smoother, faster cycling.
SEAMLESS INTEGRATION - Designed specifically for Sturmey Archer internally geared hubs for flawless compatibility.
LIGHTWEIGHT PRECISION - Weighing just 113g, it balances strength with minimal added weight.

The Sturmey Archer 1/8 22t Coaster Brake Cog is a precision-engineered steel sprocket designed for internally geared hubs. Weighing only 113 grams and sized for 1/8-inch chains, it offers an optimized gear ratio that enhances cycling efficiency and braking reliability, making it the ideal upgrade for serious riders seeking durability and seamless performance.

Specifications

ASIN	B006GHD17A
Batteries included?	No
Best Sellers Rank	339,205 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 2,778 in Hand Tools (Sports & Outdoors)
Brand	Sturmey Archer
Color	Silver
Customer Reviews	5.0 5.0 out of 5 stars (8)
Date First Available	7 Dec. 2012
Department	Does Not Apply
Height	0.13 inches
Included components	Internally Geared Hub Part
Item display length	3 inches
Item display width	3 inches
Item model number	Cogs
Language	English
Manufacturer	Sturmey-Archer
Material type	Steel
Number of items	1
Product Dimensions	7.62 x 9.53 x 0.64 cm; 104.33 g
Size	Dished, 1/8-inch
Sport	Cycling
Style	Does Not Apply
Weight	113 g

Reviews

S**E

Perfect for my SA-equipped bike

I was running a 24-tooth sprocket, but the gearing was a tad too low. This has made it perfect.

29.08.2025

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R870

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

View all Trustpilot reviews

Sturmey Archer 1/8 22t Coaster Brake Cog by Sturmey Archer | bike-hubs

Description

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Common Questions