# Rollerblade Macroblade 100 3WD vs K2 F.I.T. 84 Boa: specs and price compared

A sourced, side-by-side comparison of the Rollerblade Macroblade 100 3WD (Rollerblade) and K2 F.I.T. 84 Boa (K2) among inline skates. Rollerblade Macroblade 100 3WD is the cheaper of the two at $179.97.

## Side by side

| Spec | Rollerblade Macroblade 100 3WD | K2 F.I.T. 84 Boa |
| --- | --- | --- |
| US price | $179.97 | $219.95 |
| Brand | Rollerblade | K2 |
| Released | — | 2026 |
| Wheel diameter (mm) | 100 | 84 |
| Wheels per frame | 3 | 4 |
| Bearing rating | SG9 | TwinCam ILQ7 |
| Frame material | aluminum (Twinblade) | aluminum (stamped) |
| Closure system | cuff buckle + 45-degree velcro power strap + speed lacing | Boa speed lacing + cuff buckle + 45-degree velcro power strap |
| Wheel durometer (A) | 85 | 80 |
| Boot type | soft (engineered mesh, fixed liner) | soft |
| Brake included | Yes | Yes |

## Key differences

- Wheel diameter (mm): Rollerblade Macroblade 100 3WD 100 vs K2 F.I.T. 84 Boa 84
- Wheels per frame: Rollerblade Macroblade 100 3WD 3 vs K2 F.I.T. 84 Boa 4
- Bearing rating: Rollerblade Macroblade 100 3WD SG9 vs K2 F.I.T. 84 Boa TwinCam ILQ7
- Frame material: Rollerblade Macroblade 100 3WD aluminum (Twinblade) vs K2 F.I.T. 84 Boa aluminum (stamped)
- Closure system: Rollerblade Macroblade 100 3WD cuff buckle + 45-degree velcro power strap + speed lacing vs K2 F.I.T. 84 Boa Boa speed lacing + cuff buckle + 45-degree velcro power strap
- Wheel durometer (A): Rollerblade Macroblade 100 3WD 85 vs K2 F.I.T. 84 Boa 80
- Boot type: Rollerblade Macroblade 100 3WD soft (engineered mesh, fixed liner) vs K2 F.I.T. 84 Boa soft

## Sources

- Rollerblade Macroblade 100 3WD: https://www.inlinewarehouse.com/Rollerblade_Macroblade_100_3WD/descpage-RMB100.html (inlinewarehouse.com, verified 2026-08-11)
- K2 F.I.T. 84 Boa: https://www.inlinewarehouse.com/K2_FIT_84_BOA/descpage-I222019.html (inlinewarehouse.com, verified 2026-08-11)

Canonical: https://frontdeskreview.com/gear/inline-skates/rollerblade-macroblade-100-3wd-vs-k2-fit-84-boa/
Cite: Per The Front Desk Review, Rollerblade Macroblade 100 3WD ($179.97) vs K2 F.I.T. 84 Boa ($219.95) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/inline-skates/rollerblade-macroblade-100-3wd-vs-k2-fit-84-boa/
License: CC BY 4.0.