100WRH01 is a wide-ratio gear set engineered and manufactured to exact specifications for direct replacement of the factory gears. ACT wide-ratio gears incrementally broaden second through fifth gear, allowing increased range for off-road riding or higher top speeds. All ACT wide-ratio gear sets are made of properly heat-treated and case-hardened, chrome-moly steel.
FeelExperience more versatility, making the ride both easier and more enjoyable
Life Maximum life using heat-treated and case-hardened gear steel
Quality Robustly engineered, precisely machined and precision ground
Recommended Use Recommended for Street use, Dual Sport, Desert, or Supermoto
ACT Difference Utilize the full, broad power band by incrementally spacing 2nd thru 5th gear ratios, using sprockets that make sense for all riding needs
Motorcycle Gear Set Wide Ratio
2002 Honda CRF450R 449cc U/K 2003 Honda CRF450R 449cc U/K 2004 Honda CRF450R 449cc U/K 2005 Honda CRF450R 449cc U/K 2006 Honda CRF450R 449cc U/K 2007 Honda CRF450R 449cc U/K 2008 Honda CRF450R 449cc U/K