Thanks to trickle down technology from Shimano's pricier wheels and slightly revised hub design, the WH-R501 is a great value for the budget conscious rider looking for excellent quality without adding too much weight.

Shimano WH-R501 Wheelset
Semi-aero rim profile offers aerodynamics without catching cross winds.
Alloy hub shell with steel oversize axle. Loose ball bearing hub design borrowed from top-of-the-line models for smooth performance and easy service.

Alloy hub shell with steel oversize axle
New seal design for improved all-weather performance 20 spokes laced radially front and 24 spokes laced 3 cross rear.
Traditional straight gauge (2.0) black stainless steel spokes with silver alloy nipples.
Quick-release skewers and rim strips included.
Shimano/SRAM 8/9/10 speed compatible 700c (15-622mm ISO).
1884 grams/wheelset (weighed without included skewers).