Package includes 2 x triangular wheels Product overview These stainless steel and rubber triangular stairclimbing wheels are designed to make moving carts, dollies, and small trolleys up and down stairs easier and quieter. The compact, snapfit design installs without tools and provides smooth rolling thanks to builtin bearings. Key benefits Easier stair climbing: Triangular wheel geometry rotates smoothly over steps to reduce the lifting force required when moving loads upstairs. Smooth, quiet operation: Precision bearings in each wheel deliver steady rolling with reduced noise. Tool installation: Snapfit design allows quick attachment and removal without tools. Durable construction: Stainless steel hubs and rubber treads provide long service life for regular use. Clear compatibility guidance: Works with axles approximately 40 mm long and axle ends that have a groove. Recommended wheel bearing inner diameter is 7 to 8 mm. Specifications Quantity: 2 triangular wheels per package Size: 24.00 x 24.00 x 5.00 cm (9.43 x 9.43 x 1.97 in) Material: Stainless steel hub, rubber tread Color: Silver Recommended axle length: 40 mm, with an axle groove at the end Recommended bearing inner diameter: 7 to 8 mm Function and installation Snapfit mounting secures the wheel to the axle without additional tools. Ensure the axle measures around 40 mm and has a groove at the end to lock the wheel in place. Bearings are sized to fit 7 to 8 mm innerdiameter axles; verify bearing and axle compatibility before installation. Rubber tread provides grip on steps while protecting surfaces. Practical use scenarios Grocery shopping in multilevel buildings: worn trolley wheels to more easily move full bags up stairs. Home or apartment moves: Fit to a hand truck or dolly to transport boxes up and down staircases with less strain. Market stalls and deliveries: Mount on small carts used for supply runs where stairs or curbs are frequently encountered. What to check before Measure your axle length and confirm a 40 mm axle with an end groove is available. Verify the bearing inner diameter on your cart or axle is 7 to 8 mm for proper fit. Confirm physical clearance for a 24 x 24 x 5 cm wheel assembly on your cart or dolly. This pair of triangular stairclimbing wheels offers a straightforward replacement solution to improve stair navigation for carts and small transport equipment while keeping installation simple and maintenance low.