Vocal Vice Mid DRS Upgrade System -19mm & 22mm RHD Oval tapered tubing gives the

Oval tapered tubing gives the cranks a sleek look & a stiff feel

Treatment: Full post weld heat treatment for maximum strength to weight ratio

ISO Diameter: 406 / 20" BMX

Laser etched Armour Bikes logo

Pedals: Colony Fantastic Plastic

Vocal Vice Mid DRS Upgrade System -19mm & 22mm RHD Oval tapered tubing gives theProduct Details: Convert any sealed Mid or Spanish bottom bracket to the DRS system. What is DRS? This is a system designed & patented by Vocal BMX. It is a system that allows you to add drag to your cranks to stop them from turning when you take your feet off, the system works w a simple plastic drag plate that runs on the outer face of the bearing, which can be adjusted to suite the individual rider, so no more searching for your pedals when you do