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40 Roller Chain Sprocket 12 Tooth 1
20th Jul 2026, 12:01 AM

#40 Roller Chain Sprocket 12 Tooth 1 /2 inch Bore (3 /16 inch Keyway) Black Oxide Rust-Proof with 3 Set Screws & Keyway for Mini Bike Go-Kart Clutch Performance Upgrade, Hardened 1045 Steel 40BS12-1 /2

Price may vary by location, shipping cost, and availability.
Lowest in last 10 months
56% Off
$15.99
$35.99

Highest: $15.99
Average: $15.99
Lowest: $15.99

Price History Graph

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Price History Information

You can check the price history of #40 Roller Chain Sprocket 12 Tooth 1 /2 inch Bore (3 /16 inch Keyway) Black Oxide Rust-Proof with 3 Set Screws & Keyway for Mini Bike Go-Kart Clutch Performance Upgrade, Hardened 1045 Steel 40BS12-1 /2 here. This product's current Price in USA is $15.99. The average and highest prices are $15.99 and $15.99 respectively.

Lowest Ever Price $15.99
25th Aug 2025
Average Price $15.99
Based on 330 days price tracking
Highest Price $15.99
25th Aug 2025

Price History of All Variants of 40 Roller Chain Sprocket 12 Tooth 1...

Current Price in USA

Price $15.99
MRP $35.99
Savings $20.00
Discount 55.57%

Product Information

Details

Product Name #40 Roller Chain Sprocket 12 Tooth 1 /2 inch Bore (3 /16 inch Keyway) Black Oxide Rust-Proof with 3 Set Screws & Keyway for Mini Bike Go-Kart Clutch Performance Upgrade, Hardened 1045 Steel 40BS12-1 /2
Store Product Code B0FN4NCWFR
Store Name amazon.com
Rating 9 / 10
Category Roller Chain Sprockets
Product Manufacturer Aoxing Trading Co., Ltd
Dimensions 2.17 x 2.17 x 0.88 inches

Features

  • Precision-Machined Bore for Seamless Fit: 12 teeth with 1/2" bore diameter and 1/8" x 1/16" keyway. Ultra-precise dimensions ensure perfect integration with matching components for smooth power transmission.
  • Premium AISI 1045 Steel with Hardened Teeth: High-temperature quenched for exceptional wear resistance and durability in demanding applications.
  • ANSI-Compliant Design: Model 40BS12 features a 1/2" precision-machined bore, keyway, and three set screws. Fully meets ANSI standards for reliable performance.
  • Black Oxide Coating for Corrosion Resistance: All-over rust-proof finish extends service life, even in harsh environments.
  • Low-Maintenance Versatility: Requires only lubrication for easy upkeep. Ideal for industrial equipment, conveyors, agricultural machinery, and DIY projects.

Images

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Image of #40 Roller Chain Sprocket 12 Tooth 1 /2 inch Bore (3 /16 inch Keyway) Black Oxide Rust-Proof with 3 Set Screws & Keyway for Mini Bike Go-Kart Clutch Performance Upgrade, Hardened 1045 Steel 40BS12-1 /2
Image of #40 Roller Chain Sprocket 12 Tooth 1 /2 inch Bore (3 /16 inch Keyway) Black Oxide Rust-Proof with 3 Set Screws & Keyway for Mini Bike Go-Kart Clutch Performance Upgrade, Hardened 1045 Steel 40BS12-1 /2
Image of #40 Roller Chain Sprocket 12 Tooth 1 /2 inch Bore (3 /16 inch Keyway) Black Oxide Rust-Proof with 3 Set Screws & Keyway for Mini Bike Go-Kart Clutch Performance Upgrade, Hardened 1045 Steel 40BS12-1 /2
Image of #40 Roller Chain Sprocket 12 Tooth 1 /2 inch Bore (3 /16 inch Keyway) Black Oxide Rust-Proof with 3 Set Screws & Keyway for Mini Bike Go-Kart Clutch Performance Upgrade, Hardened 1045 Steel 40BS12-1 /2
Image of #40 Roller Chain Sprocket 12 Tooth 1 /2 inch Bore (3 /16 inch Keyway) Black Oxide Rust-Proof with 3 Set Screws & Keyway for Mini Bike Go-Kart Clutch Performance Upgrade, Hardened 1045 Steel 40BS12-1 /2
Image of #40 Roller Chain Sprocket 12 Tooth 1 /2 inch Bore (3 /16 inch Keyway) Black Oxide Rust-Proof with 3 Set Screws & Keyway for Mini Bike Go-Kart Clutch Performance Upgrade, Hardened 1045 Steel 40BS12-1 /2
Image of #40 Roller Chain Sprocket 12 Tooth 1 /2 inch Bore (3 /16 inch Keyway) Black Oxide Rust-Proof with 3 Set Screws & Keyway for Mini Bike Go-Kart Clutch Performance Upgrade, Hardened 1045 Steel 40BS12-1 /2

Rating and Reviews

9 Based on 15 reviews

40 Roller Chain Sprocket 12 Tooth 1 has 9 rating out of 10. This average rating is consist of 15 individual ratings. You can rate this product at product review page.

* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.