40-Teeth Single-Speed Cotterless Crankset: Alloy Chainring Guide (2026)

Optimizing Pedal Cadence with 40T Cotterless Cranksets

Your crankset is the primary mechanical power transfer point. Installing a heavy-duty 40-teeth cotterless chainwheel ensures smooth pedaling cadence without chain drop or crank arm play.

Key Features:

• Square Taper JIS Interface: Universal fit for 68mm-73mm bottom brackets across all standard bicycles.
• Integrated Chain Guard: Prevents pants from catching in the chainring and protects against grease stains.
• Cold-Forged Steel Teeth: High wear resistance under motor pedal-assist torque.