8th Jul 2026, 03:20 PM
#40 Roller Chain Sprocket 30 Tooth 3 /4 inch Bore (3 /16 inch Keyway) Black Oxide Rust-Proof with 3 Set Screws & Keyway for Mini Bike Go-Kart Hill Climbing Off-Road Heavy Duty, Hardened 1045 Steel 40BS30-3 /4
Price may vary by location, shipping cost, and availability.
Lowest in last 10 months
$35.00
Highest: $39.99
Average: $35.10
Lowest: $35.00
Price History Graph
Offer Price Prices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history of #40 Roller Chain Sprocket 30 Tooth 3 /4 inch Bore (3 /16 inch Keyway) Black Oxide Rust-Proof with 3 Set Screws & Keyway for Mini Bike Go-Kart Hill Climbing Off-Road Heavy Duty, Hardened 1045 Steel 40BS30-3 /4 here. This product's current Price in USA is $35.00. The average and highest prices are $35.10 and $39.99 respectively.
| Lowest Ever Price | $35.00 |
|---|---|
| 21st Oct 2025 | |
| Average Price | $35.10 |
| Based on 330 days price tracking | |
| Highest Price | $39.99 |
| 25th Aug 2025 | |
Price History of All Variants of 40 Roller Chain Sprocket 30 Tooth 3...
Current Price in USA
| Price | $35.00 |
|---|
Recent Price Drops on #40 Roller Chain Sprocket 30 Tooth 3 /4 inch Bore (3 /16 inch Keyway) Black Oxide Rust-Proof with 3 Set Screws & Keyway for Mini Bike Go-Kart Hill Climbing Off-Road Heavy Duty, Hardened 1045 Steel 40BS30-3 /4
Price Drop 20th Oct 2025
$39.99 → $35.00
12.48% drop
Product Information
Details
| Product Name | #40 Roller Chain Sprocket 30 Tooth 3 /4 inch Bore (3 /16 inch Keyway) Black Oxide Rust-Proof with 3 Set Screws & Keyway for Mini Bike Go-Kart Hill Climbing Off-Road Heavy Duty, Hardened 1045 Steel 40BS30-3 /4 |
|---|---|
| Store Product Code | B0FN4PKQ11 |
| Store Name | amazon.com |
| Rating | 8.8 / 10 |
| Category | Roller Chain Sprockets |
| Product Manufacturer | Aoxing Trading Co., Ltd |
| Dimensions | 5.04 x 5.04 x 1 inches |
Features
- Precision-Machined Bore for Seamless Fit: 30 tooth with 3/4" bore diameter and 3/16" x 3/32" 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 Standard: This 40BS30 sprocket comes with a 3/4'' precision-machined hole, featuring a keyway and three set screws. Its teeth are hardened to enhance durability. This sprocket fully complies with all ANSI standards.
- 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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Rating and Reviews
8.8 Based on 13 reviews
40 Roller Chain Sprocket 30 Tooth 3 has 8.8 rating out of 10. This average rating is consist of 13 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.