Caterpillar Hub and Tread (Set of 2 treads 4 Hubs) 970040-1

2 entries, grouped by color then part type, the way you'd sort the pile. Every part links to its own page so you can compare seller prices.

	Qty	Type	Part	Ref
Black · 2 pcs
	2×	Wheels and Tyres	Tread Large, Technic [34 Links]	71372
White · 4 pcs
	4×	Wheels and Tyres	Technic Tread Hub	32007