Renthal 428 Ultralight Off-Road Rear Sprocket

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Renthal 428 Ultralight Off-Road Rear Sprocket

Renthal Ultralight rear chainwheels are manufactured to extremely tight tolerances from a special material developed to withstand the rigors of supercross, motocross and enduro racing.

The 7075 T6 aluminum alloy rear chainwheels are 66% lighter than steel, yet incredibly durable. Their advanced tooth profile, concentricity and accuracy of fit provide maximum power transfer and long-life.

Renthal's combination of a very high strength base material and an exceptionally hardwearing surface result in significantly increased chainwheel life over other brands.

Features:

  • Renthal Ultralight chainwheels are 66% lighter than steel
  • Precision CNC manufactured to extremely tight tolerances
  • High strength specially enhanced 7075 T6 aluminum alloy
  • Computer aided Ultralight design gives the maximum reduction of unsprung weight at the rear wheel, to give maximum power transfer
  • Self-cleaning mud grooves between every tooth on both sides prevent dirt build up

Renthal Ultralight chainwheels are used by more factory motocross and supercross teams than any other chainwheel in the world, including:

  • Factory Honda
  • Factory Kawasaki
  • Pro-Circuit Kawasaki
  • Team Honda Martin Racing
  • Team Kawasaki Europe
  • Team Suzuki Europe
  • Factory KTM Europe
  • HRC Honda Japan
  • KHI Kawasaki Japan
  • Suzuki Japan

    **Closeouts are limited to stock on hand**

 

    • Item # 14277
    • SKU #
    • Mfr. Part #

    FitmentView All

    Kawasaki Models

    • KLX140 : 2008–2009, 2011–2015
    • KLX140 Monster Energy : 2009
    • KLX140L : 2008–2009, 2011–2015
    • KLX140L Monster Energy : 2009

    KTM Models

    • 105 SX : 2004–2011
    • 105 XC : 2009
    • 85 SX : 2004, 2011
    • 85 SX 17-14 : 2005–2016
    • 85 SX 19-16 : 2005–2015

    Suzuki Models

    • RM80 : 1989–2001
    • RM85 : 2002–2009, 2012–2016
    • RM85L Big Wheel : 2003–2009, 2012

    Yamaha Models

    • YZ80 : 1993–2001
    • YZ85 : 2002–2016

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