Introducing the W Series 18‑Tooth 40 Chain Sprocket, a rugged gear designed for reliable power transmission on hub‑driven bicycles and small machinery. Crafted from high‑strength steel, this compact sprocket delivers smooth engagement while resisting wear under demanding conditions.
Why choose this sprocket? Its precise 18‑tooth profile ensures optimal chain meshing, reducing slip and extending the life of both chain and hub. Ideal for riders and technicians seeking dependable performance without the hassle of frequent replacements.
Key Features & Benefits:
- Robust steel construction: Provides corrosion resistance and long‑term durability for 40 chain applications.
- Exact 18‑tooth geometry: Guarantees accurate chain alignment and efficient power transfer.
- Compatible with W‑Series hubs: Seamlessly integrates with existing hub systems for quick installation.
- Lightweight profile: Keeps overall weight low while maintaining structural strength.
- Standard 40 chain size: Fits the common 1/2‑inch pitch chain used in many bicycles and utility equipment.
Upgrade your drivetrain today: This W Series sprocket combines durability, precision, and ease of fit, making it the perfect replacement or upgrade for high‑performance setups. Trust in a component engineered to deliver consistent torque and smooth operation mile after mile.








