Head to head
Black Inc Forty FivevsHunt SUB50 Limitless
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
Black Inc Forty FiveHunt SUB50 Limitless
- Depth
- 5 mm apart
- 45 vs 50 mm
- External
- 4 mm apart
- 30 vs 34 mm
- Internal
- Identical
- 22.5 vs 22.5 mm
- Claimed weight
- 35 g apart
- 1,385 vs 1,350 g
- UK RRP
- £501 apart
- £2,000 vs £1,499
Rim depth
45 mm
50 mm
5 mm apart. Deeper is faster on the flat; shallower is calmer in crosswind and lighter uphill. Neither is simply better.
Internal width
22.5 mm
22.5 mm
Identical — both suit the same tyre widths.
External width
30 mm
34 mm
Governs how the rim and tyre meet the air, and frame clearance.
Black Inc
Forty Five
RRP £2,000
UCI mass-start road
Eligible — Eligible on the rules we assess
Hunt
SUB50 Limitless
RRP £1,499
UCI mass-start road
Eligible — Eligible on the rules we assess