USD 61mm/90a Aggressive Wheels
No Return or Exchange
Clearance items are sold as-is and are not eligible for return or exchange.
No Shipping Deals
Items on 🔥Clearance Sale are excluded from any free or discounted shipping deals.
Duty & Tax
Taxes & duties are inclusive — your order is paid up in full, and our courier will never ask you for any further payment upon delivery.
Duty & Tax
Taxes & duties are not inclusive — you may need to pay local tax and duties before your package can be released.
Oversized Item
This item ships at its own rate and is not eligible for free or discounted shipping deals.
No Original Box
We ship this item in a smaller box to reduce shipping fees. If you require the original box, please WhatsApp us.
Wheels Dismantled
We may dismantle the wheels to fit large size skates in the shipping box.
GST Inclusive
All prices are inclusive of 9% GST.
60 Days Exchange
Changed your mind or need a different size? Exchange your unused item within 60 days.
100,000+ Skates Sold
Over 100,000 skates sold — you’re in good company with skaters worldwide.
Fast Shipping
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💬Description
💬Description
USD is never one to stop innovating and providing the world's skaters with the best possible boot options year after year. USD´s commitment to aggressive skating, constantly innovating with lighter, faster and enhanced performance skates and the help of its world class team of riders, has positioned USD as the N°1 inline skating brand with wide recognition from the public as the industry leader. Releasing more molds than any other boot company in aggressive skating history, continually improving, adapting, and evolving with time, USD is on top of the game for this very reason. Keep your eyes out for continual growth, progression, and innovation from us here at USD.
Tomorrow´s visions Today´s reality
Material: MDSHR PU
Size/Hardness: 61mm / 90A - flat profile
Core: Hexagon Core
Sold in pack of 4
📋 Specifications
📋 Specifications
| Diameter | 61mm |
|---|---|
| Hardness | 90A |
| Core | Hexagon |
| Compound | SHR (Super High Rebound) · X-Treme Pro |
| Profile | Flat |
| Best For | Aggressive skating |

🚚Next Day Delivery
Order by 11 AM. Get it tomorrow.
Singapore-only express delivery via J&T Express or SPX. Fast, tracked, and free above S$60.
Order before 11 AM, Mon–Fri → delivered the next working day.
Miss the cutoff or order on a weekend/public holiday? Your order goes out on the next working day and arrives the day after that.