The front & rear sprockets we offer are developed and produced by Italian sprocket specialist CHT Chiaravalli, manufactured with the best CNC machines and with the best materials available

Why choose CHT front & rear sprockets

  • Quality, reliability and maximum performance.
  • Rear sprockets are available in different versions to meet the needs of both professional riders and amateurs.

FRONT SPROCKETS

  • Made of high-strength 16CrNi4 steel.
  • Self-cleaning: the grooves at the base of the toothing, on both sides, facilitate the elimination of mud, extending the lifespan of the drivetrain.
  • Weight reduction thanks to lightening holes and grooves.
  • Specifically optimized for the racing sector.
  • CNC machining.

SPROCKET BOLTS KIT

  • Class 10.9 steel screws
  • Medium pre-applied thread locker
  • Fujilock self-locking flange nut
  • Washer
  • Screw size M8x30mm

TEEL SPROCKETS

  • 3 times more durable than aluminium crowns.
  • High-strength ET-RG 45 steel.
  • CNC machining.

ERGAL SPROCKETS

  • Made of ergal 7075: high-strength aluminium alloy, mainly used in the aeronautical field.
  • hey are 70% lighter than conventional steel chainrings.
  • Self-cleaning: the grooves at the base of the toothing, on both sides, facilitate the elimination of mud, extending the lifespan of the drivetrain (no minicross).
  • CNC machining.

BI-METALLIC X-RACE SPROCKETS

  • Lightness: the internal part in ergal 7075, a high-strength aluminium alloy mainly used in the aeronautical field, makes them 40% lighter than conventional steel rear sprockets.
  • Maximum durability: the toothing made of high-strength ET-RG45 steel, makes them 3 times more durable than aluminium rear sprockets.
  • Self-cleaning: the grooves at the base of the toothing, on both sides, facilitate the elimination of mud, extending the life of the transmission.
  • CNC machining.