RH Moto Worx 1000lb shock spring for the XR100/CRF100 DNM rear shocks.  Replaces the stock 550lb or 650lb factory DNM shock spring.  These are a great upgrade if you are over 180lbs or like to send some big jumps on your 100. 

Fits DNM XR100/CRF100 shock - Item #TBW1375

Does NOT work with OEM shocks * 

** Only available in Black**