K2
K2 F.I.T. 84 Boa
$219.95
Released 2026
Best Inline Skates · head-to-head
K2 F.I.T. 84 Boa vs Flying Eagle F5S+ Eclipse
A sourced, side-by-side comparison. Flying Eagle F5S+ Eclipse is cheaper at $179.95. Every spec and price links to its source.
Flying Eagle
Flying Eagle F5S+ Eclipse
$179.95Cheaper
Which is better: the K2 F.I.T. 84 Boa or Flying Eagle F5S+ Eclipse?
On the specs we track, they're closely matched. The Flying Eagle F5S+ Eclipse is the cheaper at $179.95.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | K2 F.I.T. 84 Boa | Flying Eagle F5S+ Eclipse |
|---|---|---|
| US price | $219.95 | $179.95 |
| Brand | K2 | Flying Eagle |
| Released | 2026 | — |
| Wheel diameter (mm) | 84 | 80 |
| Wheels per frame | 4 | 4 |
| Bearing rating | TwinCam ILQ7 | ABEC 7 |
| Frame material | aluminum (stamped) | aluminum (CNC machined) |
| Closure system | Boa speed lacing + cuff buckle + 45-degree velcro power strap | plastic cuff buckle + 45-degree micro-adjustable ratchet buckle + standard lacing |
| Wheel durometer (A) | 80 | 85 |
| Boot type | soft | hardshell (Eclipse molded plastic, removable liner) |
| Brake included | Yes | No |
Sources — K2 F.I.T. 84 Boa: inlinewarehouse.com (verified 2026-08-11). Flying Eagle F5S+ Eclipse: inlinewarehouse.com (verified 2026-08-11).
What's the difference between the K2 F.I.T. 84 Boa and Flying Eagle F5S+ Eclipse?
Where the two actually differ on the specs we track (7 of 8). Matching specs are omitted.
- Wheel diameter (mm): K2 F.I.T. 84 Boa 84 vs Flying Eagle F5S+ Eclipse 80
- Bearing rating: K2 F.I.T. 84 Boa TwinCam ILQ7 vs Flying Eagle F5S+ Eclipse ABEC 7
- Frame material: K2 F.I.T. 84 Boa aluminum (stamped) vs Flying Eagle F5S+ Eclipse aluminum (CNC machined)
- Closure system: K2 F.I.T. 84 Boa Boa speed lacing + cuff buckle + 45-degree velcro power strap vs Flying Eagle F5S+ Eclipse plastic cuff buckle + 45-degree micro-adjustable ratchet buckle + standard lacing
- Wheel durometer (A): K2 F.I.T. 84 Boa 80 vs Flying Eagle F5S+ Eclipse 85
- Boot type: K2 F.I.T. 84 Boa soft vs Flying Eagle F5S+ Eclipse hardshell (Eclipse molded plastic, removable liner)
- Brake included: K2 F.I.T. 84 Boa true vs Flying Eagle F5S+ Eclipse false