Renthal Grooved Front & Ultralight Rear Sprocket & D. I. D. 520MX Chain Kit - 14/49 SILVER - Compatible with Honda CRF450R CRF450RWE 2002 to present

Renthal Grooved Front & Ultralight Rear Sprocket & D. I. D. 520MX Chain Kit - 14/49 SILVER - Compatible with Honda CRF450R CRF450RWE 2002 to present

Renthal Sprockets & D. I. D. Chain Combo Kit - Grooved Countershaft Sprocket & Ultralight Rear Sprocket & D. I. D. 520MX Chain Kit 253--520-14GP & 154U-520-49GRSI & 520MXX120RB Compatible with Honda CRF450R ( 2002 to present ) & CRF450RWE ( 2019 to present ) Orders cannot be canceled or changed once they are sent to the warehouse. Any order update information is sent to you using your Amazon account contact information The image used is for display purposes only and may not represent the actual product for every model. Renthal Grooved Front Countershaft Sprocket & Ultralight Rear Sprocket & 520MX Works MX Chain Kit. FRONT COUNTERSHAFT SPROCKET. Renthal Front Chainwheels feature a specially developed Nickel-Chrome-Molybdenum steel which is case hardened and core refined to give the ULtimate combination of strength and hardness. Case hardened and core refined 655M13 Nickel-Chrome-Molybdenum alloy steel to give the ULtimate combination of strength and hardness. Ultralight REAR SPROCKET. Unique flat face design keeps weight to a minimum and means the Ultralight is as narrow as a regular chainwheel Inner Ring is high strength ultralight 7075 T6 Aluminum. Outer Ring is Electroless Nickel Coated steel Outer is expanded at 200C and then fitted to inner, creating a permanent bond for the life of the sprocket Precision CNC machined to extremely tight tolerances Flat socket head screws add additional strength to the chainwheel during side impacts Self-cleaning mud grooves between every tooth on both sides help prevent dirt build up .. D. I. D. 520MX MX/SX Chain - 520x120 Links. Designed exclusively for MX/SX motorcycle racing. Maximum engine displacement - 500cc. Tensile strength - 8930 pounds. Projected wear life 4.4 times longer than a standard chain under similar conditions. Master link included