Altis Sigma Front Sprocket Size:14 Tooth Specs to Stack: Dimensions are

Specs to Stack: Dimensions are ~50″ × 18″ × 30″

Thick and uniform inner tube for maximum comfort while providing required strength

Range - 40AH - 40 Miles (Throttle Only) - 70 Miles (Pedal Assist)

Carbon Steel bead design allows tire to be folded without damage for easy storage

Altis Sigma Front Sprocket Size:14 Tooth Specs to Stack: Dimensions areLarger flange to reduce movement on the driveshaft Hardened Tool steel for longevity. Black Oxide coated. New Jack shaft seal included and installed in the sprocket. 13 tooth is stock (OEM Size). 14 tooth adds more top speed and extended range by lowering your rpms which comes at a cost of less torque.