Built-in 3 ball bearings Maximum installation width/43mm Weight/460g (when using long shaft) Shaft: 40mm (short shaft)/100mm (long shaft) Gear ratio/3.5:1
Product model number: 331980 Color: Black Size: 215x95x90mm (excluding shaft) Material: Aluminum >Battery included or built-in: No Gender: Girls, Men, Boys, Women Package size: 25.6 x 9.9 x 9.8 cm; 630.49 g
