Head to head
Parcours StradevsZipp 404 Firecrest
Both sections drawn to one scale, from each maker's published geometry. The differences you can see in the drawing are the differences that exist.
vs
Fig. — rim sections, one scale
Parcours StradeZipp 404 Firecrest
- Depth
- 4 mm apart
- 54 vs 58 mm
- External
- 6.5 mm apart
- 34 vs 27.5 mm
- Internal
- 2 mm apart
- 25 vs 23 mm
- Claimed weight
- 4 g apart
- 1,520 vs 1,516 g
- UK RRP
- £901 apart
- £1,099 vs £2,000
Rim depth
49 / 54 mm
58 mm
6 mm apart. Deeper is faster on the flat; shallower is calmer in crosswind and lighter uphill. Neither is simply better.
Internal width
25 mm
23 mm
The wider rim is built around a wider tyre. Match this to the tyre you actually run, not to the bigger number.
External width
34 mm
27.5 mm
Governs how the rim and tyre meet the air, and frame clearance.
Parcours
Strade
RRP £1,099
UCI mass-start road
Eligible — Eligible on the rules we assess
Zipp
404 Firecrest
RRP £2,000
UCI mass-start road
Eligible — Eligible on rim height; tyre choice is restricted