Vortex CKG2545 Chain and Sprocket Kit 25/45 Tooth

The Vortex CKG2545 is a complete motorcycle chain and sprocket kit featuring a 25-tooth front sprocket and 45-tooth rear sprocket, engineered for riders who demand precision-manufactured drivetrain components built to racing standards.

Vortex Racing manufactures each kit to tight tolerances using premium materials, delivering a direct replacement or performance upgrade over worn OEM drive components. The steel front (countershaft) sprocket is case-hardened and features drilled lightening holes to reduce rotating mass, while the rear sprocket is laser-cut from carbon steel alloy with an electroplated satin black finish for corrosion resistance. Sprocket teeth are hardened for extended durability under hard acceleration.

Key Features:

• 25T front / 45T rear sprocket configuration
• High carbon steel front sprocket — case hardened and nickel plated with drilled holes to reduce rotating mass
• Laser-cut carbon steel rear sprocket with electroplated black finish for corrosion resistance
• Hardened sprocket teeth for increased durability and extended service life
• Compatible with Vortex X-ring chains featuring proprietary Tri-Glide or Duo-Glide seal technology
• Precision manufactured to tight tolerances for optimal power transfer
• Designed and tested by Vortex Racing — a U.S.-based manufacturer with a proven motorsports heritage

Vortex chain and sprocket kits are a trusted choice for Motocross, Supercross, Road Racing, Flat Track Racing, and street riding applications. Whether replacing worn OEM gearing or fine-tuning gear ratios for improved acceleration, the CKG2545 delivers reliable performance and long service life.