Head to head
Black Inc Forty FivevsHunt 48 Limitless Aero Disc
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 48 Limitless Aero Disc
- Depth
- 3 mm apart
- 45 vs 48 mm
- External
- 5 mm apart
- 30 vs 35 mm
- Internal
- Identical
- 22.5 vs 22.5 mm
- Claimed weight
- 233 g apart
- 1,385 vs 1,618 g
- UK RRP
- £851 apart
- £2,000 vs £1,149
Rim depth
45 mm
48 mm
3 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
35 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
48 Limitless Aero Disc
RRP £1,149
UCI mass-start road
Eligible — Eligible on the rules we assess