Head to head
Hunt 34 Aerodynamicist Carbon DiscvsReserve 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.
- Depth
- 10 mm apart
- 34 vs 44 mm
- External
- 4 mm apart
- 28 vs 32 mm
- Internal
- 5.5 mm apart
- 20 vs 25.5 mm
- Claimed weight
- 27 g apart
- 1,381 vs 1,408 g
- UK RRP
- £851 apart
- £849 vs £1,700
Rim depth
34 mm
40 / 44 mm
8 mm apart. Deeper is faster on the flat; shallower is calmer in crosswind and lighter uphill. Neither is simply better.
Internal width
20 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
28 mm
32 mm
Governs how the rim and tyre meet the air, and frame clearance.
Hunt
34 Aerodynamicist Carbon Disc
RRP £849
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