CJR HD clutch spring, Heavy duty

• Increase the performance on your 110 with the CJR heavy duty clutch spring
• This spring is thicker which allows less clutch slippage so you can grab your gear quicker and smoother
• This is friendly with both oem and big bore crf 110’s
• OEM spring thickness is 1.3mm thick
• CJR spring is 1.6mm thick 

This spring only works with the oem clutch, it will not work with a 6 spring clutch.