Front bearings are very smooth, rear bearings not as smooth but OK. 11 speed shimano free hub.
Splines have slight notching - not as bad as the picture suggests because a fine file has been used to flat the notch which makes them look a lot deeper than they are. The item "Giant SLR1 Carbon Climbing Wheels 700c Light Weight Aero Wheel set Road Upgrade" is in sale since Saturday, October 2, 2021. This item is in the category "Sporting Goods\Cycling\Bike Tyres, Tubes & Wheels\Wheels & Wheelsets".The seller is "littlecharliemonkey" and is located in Wellingborough. This item can be shipped to United Kingdom, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Australia, Canada, Japan, New Zealand, China, Hong Kong, Norway, Indonesia, Mexico, Singapore, South Korea, Switzerland, Taiwan, Thailand, Bangladesh, Bermuda, Bolivia, Barbados, Brunei darussalam, Cayman islands, Egypt, Guernsey, Gibraltar, Guadeloupe, French guiana, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Sri lanka, Macao, Monaco, Maldives, Martinique, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Saudi arabia, South africa, United arab emirates, Bahamas, Colombia, Kuwait, Philippines, Qatar, Uruguay.