Front: 2 sealed bearing, O. Rear: 4 sealed bearing, O. Cassette body: Shiman0 9/10/11s, campy 10/11s. (please confirm when you place the order). Hole: Front 20H, Rear 24H, External hole.
Lacing: Front: Radial, Rear: 2X cross drive side, Radial Non-drive side. (If the internal nipples required, pls message to us). Uitable for road bike frame. 2pairs brake pads, skewers, extra spokes and nipples! Max tyre pressure: 120PSI for Clincher, 200PSI for Tubular. (3K twill, 12K twill only 38mm and 50mm clincher). If there is any damage not caused by human factors, products can be replaced from us.24MM RIM ONLY with Basalt braking edge.