663-3M-12 221 Teeth Belts

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.

 

Specifications

Part No663-3M-12ProfileHTD
Length (mm)663Pitch (mm)3
Width (mm)12Number of Teeth221
Body MaterialNeopreneBelt TypeEndless
Tensile CordFiberglass or Aramid KevlarOperating Temp C-30 Degrees ~ +90 Degrees C
Tooth FacingNylonOperating Temp F-22 Degrees ~ +194 Degrees F
Fit for

(Note: Custom widths, sizes and materials available upon request)