Head to head
Elitewheels Drive 50DvsShimano 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.
vs
Fig. — rim sections, one scale
Elitewheels Drive 50DShimano Ultegra WH-R8170 C36
- Depth
- 14 mm apart
- 50 vs 36 mm
- External
- 1.5 mm apart
- 29.5 vs 28 mm
- Internal
- Identical
- 21 vs 21 mm
- Claimed weight
- 103 g apart
- 1,385 vs 1,488 g
- UK RRP
- £650 apart
- £750 vs £1,400
Rim depth
50 mm
36 mm
14 mm apart. Deeper is faster on the flat; shallower is calmer in crosswind and lighter uphill. Neither is simply better.
Internal width
21 mm
21 mm
Identical — both suit the same tyre widths.
External width
29.5 mm
28 mm
Governs how the rim and tyre meet the air, and frame clearance.
Elitewheels
Drive 50D
RRP £750
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