BBR Shock Spring - BBR/Elka Shock 975 lbs - Honda XR100 1985-2003 - 660-HXR-1005Custom developed by BBR Motorsports for the ultimate upgrade for mini four-strokes. Sized perfectly for fast/aggressive adult mini riders. This shock works for XR/CRF100 applications and also as a replacement shock for BBR's SuperShock by Elka which comes on Perimeter frame kits and some SuperComp Swingarm kits.30 percent stiffer than stock (most models)Preset and stress relieved for long lifeCustom wound from aircraft quality spring steelPowder coated finish