Carbon Wheel Finder

Head to head

Black Inc Forty FivevsDT Swiss PRC 1400 Dicut 35

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 FiveDT Swiss PRC 1400 Dicut 35
45353026
Depth
10 mm apart
45 vs 35 mm
External
4 mm apart
30 vs 26 mm
Internal
2.5 mm apart
22.5 vs 20 mm
Claimed weight
103 g apart
1,385 vs 1,282 g
UK RRP
£200 apart
£2,000 vs £2,200

Rim depth

45 mm

35 mm

10 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

20 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

30 mm

26 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

DT Swiss

PRC 1400 Dicut 35

RRP £2,200

UCI mass-start road

Eligible Eligible on the rules we assess