Slot.it W17309715M - Magnesium Wheels - 17.3 x 9.75mm Short Hub - Hollow - pair

1.5mm hub.

Uses 2 M2 x 3mm set screws. Can use up to 3 screws to reduce vibration.

Drilled holes to maximize weight reduction.

Weighs 1.5 grams.

Previous model number:  WH1231Mg.