The Fulcrum Racing 4 C17 is a mid-depth performance-focused alloy wheelset, perfect for racers on a budget. With a 35mm deep rim, this wheelset offers both aero gains on flatter terrain, while also keeping weight to a relative minimum for climbing. Being a performance-orientated wheelset, Fulcrum has designed this wheelset with a slightly wider rim, to ensure that larger tyres can be seated comfortably, helping to minimise rolling resistance and maximise speed. These performance rims are combined with a set of alloy hubs, which are filled with an industrial quality bearing system. This design results in a lightweight but durable wheel build, with a smooth spin that lasts. By using 16 stainless steel spokes on the front and 21 on the rear, Fulcrum has kept the weight of this wheelset to a minimum, while also maximising stiffness and strength. Alloy rim construction 35mm rim depth 23.2mm external rim width 700c Weight: 1725g For use with clincher tyres from 25mm to 50mm Rim Brake use only Aluminium high flange QR hub set, (100mm front) (130mm rear). Industrial bearings system, adjustable Stainless-steel bladed straight pull spokes. 16 front, 21 rear. Alloy nipples Includes: QR skewers and user manual Weight limit - 109kg (Cyclist)