Head to head
Princeton CarbonWorks Grit 4540vsReserve 40|44
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
Princeton CarbonWorks Grit 4540Reserve 40|44
- Depth
- 1 mm apart
- 45 vs 44 mm
- External
- Identical
- 32 vs 32 mm
- Internal
- 0.5 mm apart
- 25 vs 25.5 mm
- Claimed weight
- 112 g apart
- 1,520 vs 1,408 g
- UK RRP
- £900 apart
- £2,600 vs £1,700
Rim depth
40 / 45 mm
40 / 44 mm
Effectively the same depth — this is not the axis to choose on.
Internal width
25 mm
25.5 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
32 mm
32 mm
Governs how the rim and tyre meet the air, and frame clearance.
Princeton CarbonWorks
Grit 4540
RRP £2,600
UCI mass-start road
Eligible — Eligible on the rules we assess
Reserve
40|44
RRP £1,700
UCI mass-start road
Eligible — Eligible on the rules we assess