Head to head
DT Swiss ARC 1100 Dicut 50vsMavic Cosmic SLR 45
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
DT Swiss ARC 1100 Dicut 50Mavic Cosmic SLR 45
- Depth
- 5 mm apart
- 50 vs 45 mm
- External
- 1 mm apart
- 27 vs 26 mm
- Internal
- 1 mm apart
- 20 vs 19 mm
- Claimed weight
- Level
- 1,450 vs 1,450 g
- UK RRP
- £800 apart
- £2,500 vs £1,700
Rim depth
50 mm
45 mm
5 mm apart. Deeper is faster on the flat; shallower is calmer in crosswind and lighter uphill. Neither is simply better.
Internal width
20 mm
19 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
27 mm
26 mm
Governs how the rim and tyre meet the air, and frame clearance.
DT Swiss
ARC 1100 Dicut 50
RRP £2,500
UCI mass-start road
Eligible — Eligible on the rules we assess
Mavic
Cosmic SLR 45
RRP £1,700
UCI mass-start road
Eligible — Eligible on the rules we assess