Bearing Cup/shell material: 6061 T6 machined aluminium cups with dual-stage anodised black and gold finish

which is 20% more durable than other grades of aluminium

During intense training and competition

Standard sealed bearings in the jockey wheel on X01

100 Percent Hypercraft Sunglasses - One Size Fits Most - Matte Metallic Digital Brights Dark Purple Lens PLP|Riding Style Bearing Cup/shell material: 6061 T6The Hypercraft sunglasses are a frameless performance eyeshield that is lighter and stronger than anything else on the market. At an astounding 23 grams, these are a seriously light pair of sunnies but they ain't no slouch in the coverage department and the 5. 5 base cylindrical shield lens offers huge peripheral view and protection for your eyes. The scratch resistant lenses offer excellent ventilation and full spectrum UV protection and feature