Head to head
Hunt 48 Limitless Aero DiscvsShimano Ultegra WH-R8170 C36
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
- 12 mm apart
- 48 vs 36 mm
- External
- 7 mm apart
- 35 vs 28 mm
- Internal
- 1.5 mm apart
- 22.5 vs 21 mm
- Claimed weight
- 130 g apart
- 1,618 vs 1,488 g
- UK RRP
- £251 apart
- £1,149 vs £1,400
Rim depth
48 mm
36 mm
12 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
21 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
35 mm
28 mm
Governs how the rim and tyre meet the air, and frame clearance.
Hunt
48 Limitless Aero Disc
RRP £1,149
UCI mass-start road
Eligible — Eligible on the rules we assess
Shimano
Ultegra WH-R8170 C36
RRP £1,400
UCI mass-start road
Eligible — Eligible on the rules we assess