Mecanum Wheel Kit (80mm - 4 Wheels)
Ø80 mm × 37.5 mm; hex bore 7×7×7 mm; 9 rollers at 45°; load 10 kg; plastic hub + silicone rubber rollers; yellow; L/R markings
D65mm Rubber Wheel Pair - Red (Without Shaft)
65 mm rubber wheels for TT-motor style robot cars, sold as pair without shaft
Yahboom Mecanum Wheel Kit for DIY robot or programmable smart car
Omni-directional mecanum wheels with cross-axis mounting port compatible with building-block servos/motors; 4 TT-motor mounting adapters included; tutorials for lateral/45°/drift movement
Pololu Wheel 60×8mm Pair
60 mm (2.36″) dia × 8 mm plastic wheel with silicone tire; press-fit on 3 mm D-shaft; compatible with universal mounting hubs; spoke slots take #2/M2 screws
Pololu Wheel for Micro Servo Splines - 60×8mm
60 mm dia, silicone tire; mounts on 21-tooth 4.8 mm micro servo output spline (FS90R/FT90R class); 6 mounting holes (#4/M3) at 12.7/19.1 mm patterns
Metal Ball Casters
Metal-ball caster for robot chassis third contact point (sold on category page; per-unit price observed)
Pololu Ball Caster with 1″ Plastic Ball and Plastic Rollers
Two-part black ABS housing; 1″ POM (Delrin) ball; 3 ABS rollers; height 1.1″ (29 mm); base mounts with 3× #4/M3 screws (not included); rated up to ~10 lb robot
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