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Plastic wheels are designed for the STEM Racing Discovery Project or classroom use (students should verify dimensions meet the current technical regulations)
Outlet for Dust Extraction System
as the weights vary greater than +/-0
Pack of 100
4-Gram cartridges are recommended for the STEM Racing Primary Class
Hybrid Ceramic Bearings - SMR73C-2OS #7 LD Quantity:10-Pack of Bearings Plastic wheels are designed forHigh performance bearing for CO dragster or F1 competitors. Measures 3mmX7mmX3mm Weight: . 5g Stainless Steel, Ceramic Hybrid, Orange Sealed Grade 5 ceramic Si3N4 balls Rating: ABEC 7 LD = Lube Dry Bearings are free of all grease and Oils. SMR73C 2OS #7 LD (3x7x3)
US$ 249.50
US$ 50.40
US$ 27.72
US$ 40.32
US$ 40.32
US$ 600.00
US$ 1300.00