Head to head
Mavic Cosmic SLR 45vsVision Metron 45 SL
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
Mavic Cosmic SLR 45Vision Metron 45 SL
- Depth
- Identical
- 45 vs 45 mm
- External
- 2.5 mm apart
- 26 vs 28.5 mm
- Internal
- 2 mm apart
- 19 vs 21 mm
- Claimed weight
- 69 g apart
- 1,450 vs 1,519 g
- UK RRP
- £100 apart
- £1,700 vs £1,600
Rim depth
45 mm
45 mm
Effectively the same depth — this is not the axis to choose on.
Internal width
19 mm
21 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
26 mm
28.5 mm
Governs how the rim and tyre meet the air, and frame clearance.
Mavic
Cosmic SLR 45
RRP £1,700
UCI mass-start road
Eligible — Eligible on the rules we assess
Vision
Metron 45 SL
RRP £1,600
UCI mass-start road
Eligible — Eligible on the rules we assess