• Tires 36 mm dia. x 3.5 mm wide • Tires 55 mm dia. x 3.5 mm wide • Compatible with round 4 mm shafts • Four hubs to make wheels compatible with 3 mm hex ... Learn more
• Tires 36 mm dia. x 3.5 mm wide • Tires 55 mm dia. x 3.5 mm wide • Compatible with round 4 mm shafts • Four hubs to make wheels compatible with 3 mm hex shafts. • One 3 mm hex shaft, 100 mm (3.94 inches) long • Mounting hardware
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