Heavy Duty Shock Springs
Custom developed by BBR Motorsports for the ultimate upgrade for mini four-strokes. Sized perfectly for adult back-yard racing or fast/aggressive mini riders.
• Stiffer than stock at 6.2kg (stock is 5.0kg, 5.2kg big wheel)
• Preset and stress relieved for long life
• Custom wound from aircraft quality spring steel
• Powder coated finish
