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The Zipp-made rims are similar to those used on the 303 but without the aero-enhancing dimples and with a slightly heavier 'pavé' build.
(Image credit: James Huang)
Williams Cycling hits another one out of the park with its carbon-rimmed Wheel System 38.
(Image credit: James Huang)
Braking in dry conditions was good when paired with SwissStop Yellow King pads.
(Image credit: James Huang)
The alloy freehub body is easily swapped between Shimano/SRAM and Campagnolo.
(Image credit: James Huang)
Three steel pawls engage simulataneously under power.
(Image credit: James Huang)
We don't have a weight for the front hub but its minimal appearance suggests it's pretty light.
(Image credit: James Huang)
The rear hub uses an oversized aluminium axle.
(Image credit: James Huang)
External nipples require bigger holes in the rim but they're easier to service. Williams also went with brass nipples for durability.
(Image credit: James Huang)
The front wheel is radially laced…
(Image credit: James Huang)
…while the rear uses a two-cross pattern on both sides.
(Image credit: James Huang)
The included skewers feature titanium shafts and carbon levers.
(Image credit: James Huang)
