Umatek (CVTech) Trailbloc Drive Pulley Springs !A9 / / / the helmet maximum insulation provides

the helmet maximum insulation provides all the comfort you need to ride in cold weather for long periods of time even at high speed

Idle bearing

Sold in package of 6

A bold style

Umatek (CVTech) Trailbloc Drive Pulley Springs !A9 / / / the helmet maximum insulation providesFor the CVTech Trailbloc only. The replacement spring allows the engine to operate in a better power range. In deep snow, when climbing or hauling a load, the engine speed will operate and remain at a slightly higher speed, which gives it more power. See charts for application. Part # Color Code Engagement Load (compressed at @60mm)(Newton) Top Speed Load (compressed at @32mm)(Newton) 0951 1001 Gold Green Green 80 200 0951 1002 Gold Green Blue 80 400