Specification Brand : Bones BulletPoint1 : Wheel Diameter = 55mm / Wheel Width = 34mm BulletPoint2 : Durometer/Hardness = STF 103A | Increased Speed, Higher Rebound, and More Slide-ability BulletPoint3 : Wheel Shape = V4 Wide | Wider Contact Patch for Greater Stability & Solid Landings BulletPoint4 : Wheel Formula = Street Tech Formula (STF) BulletPoint5 : BONES Street Tech Formula powers the legendary BONES STF wheels that roll fast, grip when you need to and slide when you want to, without flat spotting. STF gives you more control to skate with confidence. BONES STF wheels are available in the original 103A and the new 99A Street Tech Formula for greater roll, control and softer landings on rougher terrain. Color : 103A Annuals V4 Wides Department : unisex ExternallyAssignedProductIdentifier1 : 842357195844 ExternallyAssignedProductIdentifier2 : 0842357195844 ImportDesignation : Made in the USA IncludedComponents : (4) Skateboard Wheels ItemName : Bones Wheels Street Tech Formula STF Wides Skateboard Wheels, 55mm, 103A, V4 Wide ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 4 inches ItemPackageDimensions_Width : 4 inches ItemTypeKeyword : skateboard-wheels Manufacturer : Skate One Corp. Material : Urethane ModelName : BONES WHEELS Street Tech Formula STF Wides Skateboard Wheels, 55mm, 103A, V4 Wide ModelNumber : WSCATV4W5503W4 NumberOfBoxes : 1 PartNumber : WSCATV4W5503W4 ProductDescription : BONES Street Tech Formula powers the legendary BONES STF wheels that roll fast, grip when you need to and slide when you want to, without flat spotting. STF gives you more control to skate with confidence. BONES STF wheels are available in the original 103A and the new 99A Street Tech Formula for greater roll, control and softer landings on rougher terrain. ProductSiteLaunchDate : 2025-01-23T23:57:03.539Z Size : 55mm x 34mm SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 49221500 WarrantyDescription : All Skate One manufactured products are warranted against delamination and/or manufacturing defects for the useful life of the skateboard.