Precision Sizing Guide ◆ Exact Dimensions : ⊕Wheel Diameter: 49mm / 1.93 inches ⊕Rim Width: 15.7mm / 0.62 inches ⊕Overall Width: 19.5mm / 0.77 inches ⊕Bearing Inner Diameter: 6mm / 0.24 inches Compatibility Check ◆ 3-Step Fit Verification: 1,Measure your original wheel's diameter, thickness, and axle length . 2,Match specs with our detailed sizing chart. 3,Still unsure? Email us clear photos + measurements for instant compatibility confirmation. DIY Installation Simplified ◆ Tool-Free Removal & Installation: 1,Remove Old Wheels: Cut through the axle gap using a standard hacksaw (not included). 2,Install New Wheels: Secure with included axles and screws (tools provided). Total Time: <15 minutes per wheel Why Choose These Wheels? ◆ Silent Glide Technology: TPU rubber tread reduces noise by 60% on hard floors. ◆ Industrial-Grade Durability: Reinforced PP core withstands 40kg+ per wheel Rust-proof stainless steel bearings ◆ Cost-Effective Solution: Save 80% vs. buying a new suitcase! ⊕Complete Repair Kit Includes: ⊕Replacement Wheels ×4 ⊕Wheel Axles: 30mm ×4 / 35mm ×4 ⊕Stainless Screws ×4 + Washers ×12 ⊕Adjustable Wrenches ×2 ⊕Work Gloves ×2