The Boss Aluminum Hop - Up Kit from BSB gives you a lightweight, aluminum design with added torsional strength to help withstand tough impacts. Best of all, the lightweight aluminum lasts longer than nylon and plastic spacers.
Product Specifications
Model Year
2010
Product ID
3358
Product Features
Threaded spacer system enables bearings to spin freely increasing performance
Added torsional strength to withstand tough impacts.
Lightweight aluminum lasts longer than nylon and plastic spacers