Head to head
Shimano Dura-Ace WH-R9270 C50vsWinspace Hyper 50
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
Shimano Dura-Ace WH-R9270 C50Winspace Hyper 50
- Depth
- Identical
- 50 vs 50 mm
- External
- 2 mm apart
- 28 vs 30 mm
- Internal
- Identical
- 21 vs 21 mm
- Claimed weight
- 91 g apart
- 1,461 vs 1,370 g
- UK RRP
- £1,250 apart
- £2,400 vs £1,150
Rim depth
50 mm
50 mm
Effectively the same depth — this is not the axis to choose on.
Internal width
21 mm
21 mm
Identical — both suit the same tyre widths.
External width
28 mm
30 mm
Governs how the rim and tyre meet the air, and frame clearance.
Shimano
Dura-Ace WH-R9270 C50
RRP £2,400
UCI mass-start road
Eligible — Eligible on the rules we assess
Winspace
Hyper 50
RRP £1,150
UCI mass-start road
Eligible — Eligible on the rules we assess