Vortex Racing Sprockets and Chains
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2003 KTM 50SX Senior hub carrier 359 Chain & Sprocket Kit

VORTEX RACING PART# 347 (rear) and 1450 (front)

  • Free shipping on all Vortex Racing orders over $45 (continental USA only)  Free Shipping
  • Fits chain size -
  • OEM teeth: 10 Front, 45 Rear
  • Rear sprocket made from the highest quality 7075 T6 aluminum, greater acceleration and easier directional changes due to lighter weight
  • Front sprocket made from the highest quality hardened steel for maximum service life
  • All sprockets are 100% CNC machined to the tightest tolerances
  • A perfect tooth design make for greater longevity and reduced horsepower losses
  • Rear oversize stunt sizes available (silver only)
  • CAT5 color rear and oversize rear sprockets are custom made and can only be returned for warranty exchange
  • Chains are sold in 120 link lengths and must be cut to proper length
  • Pictures shown are stock photos, individual part numbers may vary slightly
2003 KTM 50SX Senior hub carrier 359 sprockets by Vortex Racing