Head to head
Scribe Aero Wide+ 50DvsVision 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
Scribe Aero Wide+ 50DVision Metron 45 SL
- Depth
- 5 mm apart
- 50 vs 45 mm
- External
- 0.5 mm apart
- 29 vs 28.5 mm
- Internal
- Identical
- 21 vs 21 mm
- Claimed weight
- 29 g apart
- 1,490 vs 1,519 g
- UK RRP
- £601 apart
- £999 vs £1,600
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
21 mm
21 mm
Identical — both suit the same tyre widths.
External width
29 mm
28.5 mm
Governs how the rim and tyre meet the air, and frame clearance.
Scribe
Aero Wide+ 50D
RRP £999
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