REAR SPROCKET STEEL HARD ZBK, C45 INDUCTION JTR1131.50ZBK

The next standard in MX durability and efficiency: a unique self-cleaning profile keeps the contact patch clear while trimming weight. Heat-induction hardened C45 steel lasts up to six times longer than 7075 aluminium, protecting your chain and your lap times.

Features

• Unique self-cleaning design keeps contact area clear


• Significantly reduced weight versus conventional steel rears


• Heat-induction hardened C45 steel construction


• Lasts up to 6× longer than a 7075-aluminium sprocket


• Greatly extends chain life by minimizing abrasive buildup


• Optimized tooth geometry for smooth, efficient drive

Specifications

• Material: Heat-induction hardened C45 steel


• Tooth count: 50


• Drive chain pitch: 420


• Colour: Black

Vehicle Fitment

Aprilia (Road, Rear)

• 50 RX (2016-2017)


• 50 SX (2006-2011)

Derbi (Road, Rear)

• 50 R-DRD Black Devil (2004-2005)


• 50 Senda R (2000-2002)


• 50 Senda R DRD X-treme (2011-2017)


• 50 Senda R X-Race (2004-2005; 2006-2011)


• 50 Senda R X-treme (2002-2017)


• 50 Senda SM X-race (2004-2005; 2006-2011)


• 50 Senda SM X-treme (2000-2016)

Gas Gas (Off Road, Rear)

• 
  

  50 Rookie (2002-2005)

  
  

Gilera (Road, Rear)

• 50 RCR (2003-2011)


• 50 SMT (2003-2010)

Malaguti (Road, Rear)

• 50 XSM (2003-)


• 50 XTM (2003-)

MBK (Road, Rear)

• 50 X-Limit (2003-2006)


• 50 X-Limit SM (2002-2011)

Motor Hispania (Road, Rear)

• 50 Furia Enduro / SM (2005-2010)


• 50 RYZ Enduro (2005-2010)

Peugeot (Road, Rear)

• 50 XP6 (1998-2006)


• 50 XP6 SM (2002-2003)


• 50 XR6 (2001)


• XPS50 SM (2004-2009)


• XPS50 T (2004-2006)

Rieju (Off Road, Rear)

• 
  

  50 MRT Pro (2009-2010)

  
  

Rieju (Road, Rear)

• 50 MRT (2009-2022)


• 50 MRT Supermotard / Pro (2009-2022)


• 50 MRX Pro (2002 - June 2004) (2002-2004)


• 50 MRX Pro (July 2004 - 2005) (2004-2005)


• 50 MRX/SMX (2002 - June 2004) (2002-2004)


• 50 MRX/SMX (July 2004 - 2006) (2004-2008)

Yamaha (Road, Rear)

• DT50 R 2C21 (2003-2006)


• DT50 SM Supermotard 2C31 (2003-2006)