BLACK 40T BMX BICYCLE CHAIN RING BIKE PARTS 12-2
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About this product
This is a single-speed, black steel chain ring with 40 teeth, designed for BMX and kids' bikes. Weighing 8.2 ounces, it measures 6 1/2 inches in height and 1/16 inch in width. It's a robust unbranded cog, built for durability and simple installations on compatible bicycles. The 40T size provides a specific gear ratio suitable for the specified bike types, ensuring reliable performance for casual riding or basic BMX use.
Our take
If you're looking for a no-frills, durable chain ring for a BMX or kid's bike, this 40-tooth steel cog fits the bill. It's a single-speed component, so keep that in mind for compatibility with your drivetrain. The black finish is pretty standard, and at 8.2 ounces, it feels solid without being overly heavy for its intended use. For $14.99, it's a straightforward replacement part, but don't expect any advanced features or weight savings that typically come with higher-end components. It's a practical, unbranded option for getting a bike back on the road.
Pros & Cons
Pros
- Durable steel material
- Appropriate for single speed BMX bikes
- Lightweight at 8.2oz
Cons
- Unbranded part
- Limited to single speed bikes
- Only 40 teeth, fixed ratio
Specifications
- Brand Unbranded
- Part Type Cog
- Number of Speeds Single speed
- Color Black
- Compatible Bike Type BMX Bike, Kids Bike
- Number of Items 1
Show all 11 specifications
- Smallest Sprocket
- 40 tooth
- Material
- Steel
- Item Height
- 6 1/2"
- Item Width
- 1/16"
- Item Weight
- 8.2oz
