Shanghai Define Health Tech CO LTD As a specialized in manufacturing the complete professional fitness and fitness equipment also gym and gym equipment which including motorized treadmill, body building and strength equipment, spinning bike, stair stepper, home gym, and all kinds of fitness accessories with very competitive prices and good after-sales service.
Our factory can following all the clients speciallyrequirement to produce the complete fitness accessories fromDumbbbells,WeightPlate,Olympic Bar,Gymnasium Ball,Yoga Mat and Boxing Accessories etc.
Knurling: Dual spec knurling, deep fine knurling. Knurling goes all the way to the inner collars. No center knurling
Surface Finish: Manganese Phosphate (black) shaft, Chrome grooved sleeves, combined with the deep fine knurling,feels great in your hands.
The sleeves rotate precisely on a copper alloy bushing.
The sleeves are grooved which will give your collars more bite when performing Olympic lifts. They are secured in place with a snap ring.
