Grindstone Bolt-On Heartstoppers jammers Sure-Grip DA45 Trucks are a

Sure-Grip DA45 Trucks are a double action

All wheels include magnetic spacer that powers the LED light when you roll

It is the preferred choice for environments where heavy protection is a must

but have the resiliency and strength to provide better performance for much less cost

whether you're a derby skater that loves to hit the road for extra practice

Grindstone Bolt-On Heartstoppers jammers Sure-Grip DA45 Trucks are aHeart shaped roller skate toe stops! Excellent stopping power, absurdly cute design. Now available in bolt on, for those skates that don't have plates with an adjustable housing. Born and developed in Austin, Texas.