663-3M-12 221 Teeth Replacement Timing Belts are designed for electric mini bicycle, ebike (e-bike), skateboard, scooter or boosted board (liftboard).
Belts consist of several components, including fiberglass (or reinforced with aramid kevlar) tensile cord, nylon tooth facing, neoprene body and backing. More specifically, belts are protected by neoprene body and backing. The toothed surface is protected by high wear resistant nylon elastic fabric. Fiberglass provides good flex life.
|Length (mm)||663||Pitch (mm)||3|
|Width (mm)||12||Number of Teeth||221|
|Body Material||Neoprene||Belt Type||Endless|
|Tensile Cord||Fiberglass or Aramid Kevlar||Operating Temp C||-30 Degrees ~ +90 Degrees C|
|Tooth Facing||Nylon||Operating Temp F||-22 Degrees ~ +194 Degrees F|
(Note: Custom widths, sizes and materials available upon request)