15T Front Sprocket 520

15T Sprocket Racing (with lightening holes), suitable for 520-type chains

ESJOT Sportpinion (S)

• Weight optimization through lightening holes and additional screw-in
• Specially optimized for the racing sector
• No negative effects on mileage despite maximum weight reduction
• High strength steel
• Machined on CNC lathes
• The most modern broaching machines guarantee an exact fit on the drive shaft
• Parts are hardened after machining
• Radial and axial run-out tolerances of less than 0.1mm
• 100% Made in Germany