Shimano 105 hubs (pair).
- Front hub radial lacing compatible

Rear Hub - 8/9/10-speed compatibility: 10-speed, 9-speed and 8-speed cassette sprockets compatible
- Smooth rolling: Super polished ball races for high precision, durability and smooth rotation
- Internal Grease Sleeve: O-rings of front hub and the internal grease sleeve of freehub help maintain and increase sevice life to keep the original perfomance over an extended time period
- Weight: front 207 g (inc skewer), rear 417 g (inc skewer)