# Rollerblade Hydrogen Pro wheels 125 mm XX-Firm (6 pcs)

Rollerblade Hydrogen Pro 125 mm XX-Firm is a set of 6 racing wheels for 3 × 125 mm skates, intended for marathons and competitions on the open road. XX-Firm is the hardest variant in the series: the least rolling resistance on smooth, dry asphalt, less grip on wet. The frame must be suitable for 125 mm wheels.

- Price: 779.99 PLN
- Brand: Rollerblade
- Availability: temporarily unavailable
- EAN: 8050459819052
- Page: https://bogdanca.pl/en/rollerblade-hydrogen-pro-wheels-125-mm-xx-firm-6-pcs.html
- As of: 2026-10-23

## Who it’s for

- You enter road marathons on 3 × 125 mm skates and want the fastest rolling on a good surface.
- You already have a Firm or X-Firm set for worse conditions and are choosing a second, harder one for dry starts.

## When to choose something else

- The route is sometimes slippery or damaged – choose [Hydrogen Pro 125 mm Firm](https://bogdanca.pl/en/rollerblade-hydrogen-pro-wheels-125-mm-firm-6-pcs.html) or [X-Firm](https://bogdanca.pl/en/rollerblade-hydrogen-pro-wheels-125-mm-x-firm-6-pcs.html).

## Key features

- **XX-Firm hardness** — The hardest version in the series: the least rolling resistance and slower wear on dry, smooth asphalt.
- **125 mm diameter** — A very large wheel carries a long way after each push and steadily holds the pace on long straights.
- **Set of 6** — Enough for a pair of three-wheel inline skates – three wheels per skate.

## Specifications

| Specification | Value |
|---|---|
| Brand | Rollerblade |
| Type | skate wheels |
| Model | Hydrogen Pro |
| Diameter | 125 mm |
| Hardness | XX-Firm |
| Quantity | 6 (set for a pair of 3 × 125 mm skates) |
| Use | marathons, competitions on the open road |

## Questions and answers

### Do the 125 mm wheels fit my skates?

Only if the frame is designed for 125 mm wheels. Check the print on your current wheels or the largest permitted diameter; you can confirm the match in our shop in Poznań or Wrocław.

### Can I return the wheels?

Yes, you have 14 days to withdraw from the contract (return) without giving a reason. The buyer covers the return shipping.

### Can I collect my order in person?

Yes, free of charge at our shop in Poznań or Wrocław.

## Buying

- Delivery: from 15.00 PLN, in-store pickup in Poznań and Wrocław free of charge
- Returns: 14 days
- Seller: Bogdanca Sp. z o.o.