The 52/58 is built for pure speed at race pace. Developed through ProjectSpeed, this wheelset is engineered to reduce drag, maintain momentum, and deliver maximum efficiency when speeds are high and effort is sustained.
The progressive 52mm front and 58mm rear profiles optimise aerodynamic performance while maintaining stability and control in real-world conditions. At speed, the 52/58 holds momentum effortlessly — translating power into forward motion with minimal loss.
Weight 1267gDepth 52mm front 58mm rearWidth Ext 32mm front 30mm rearWidth Int 25mm front 24mm rear
UCI Approved
The 42/48 is engineered as the ultimate all-round race wheelset — where aerodynamic performance, weight, and control are brought into perfect balance. Developed through ProjectSpeed, every detail is refined to deliver speed across varied terrain and changing conditions.
Weight 1145gDepth 42mm front 48mm rearWidth Ext 33mm front 31mm rearWidth Int 26mm front 24mm rear
UCI Approved
The 58/65 is built for riders who prioritise pure aerodynamic efficiency. Developed through ProjectSpeed, this wheelset is designed to reduce drag to a minimum and maintain speed at the highest intensities.
With a deep 58mm front and 65mm rear profile, the system is optimised for sustained velocity — holding speed effortlessly on fast courses, in breakaways, and under race pressure. Despite its depth, stability remains predictable and controlled, giving riders the confidence to push harder for longer.
Weight 1349gDepth 58mm front 65mm rearWidth Ext 31mm front 31mm rearWidth Int 24mm front 24mm rear
UCI Approved
The G45W is engineered for demanding All-terrain gravel conditions where control, stability, and confidence define performance. Developed through ProjectSpeed, it is optimised for wider tyres, improved support, and enhanced handling across rough terrain.
Designed to maintain speed where surfaces are unpredictable, the G45W delivers a smooth, controlled ride — allowing riders to push further with greater confidence and less fatigue.
Weight 1230gDepth 45mm Width Ext 38mm front 38mm rearWidth Int 32mm front 32mm rear
UCI Approved
The G45R is engineered for high-speed gravel racing. Developed through ProjectSpeed, it prioritises low weight, rapid acceleration, and precise handling to deliver performance when the pace is high and the margins are small.
Optimised for race conditions, the G45R responds instantly to power input, maintaining momentum across fast gravel sectors, rolling terrain, and competitive efforts. It’s designed for riders who push the pace and demand equipment that keeps up.
Weight 1195gDepth 45mm
Width Ext 34.5mm front 33mm rearWidth Int 28mm front 26mm rear
UCI Approved
The 28/28 wheelset is the result of ProjectSpeed — No.6’s commitment to engineering faster systems through real-world testing and racing feedback.
Designed with a focus on weight reduction and dynamic response, the 28mm profile delivers rapid acceleration and precise handling without compromise. Every gram, every layer of carbon, and every design decision is made to improve efficiency under load.
Weight 1043gDepth 28mm front and rearWidth Ext 32mm front and rearWidth Int 24mm front and rear
UCI Approved
The A3RO Tri-spoke is ideal for TT's and Triathlons where the conditions and the course need that little extra consideration. It's also perfect if you just want your bike to stand out.
With a 76mm profile and engineered to our ProjectSpeed philosophy, the A3RO will get you flying along the road at top speed.
Weight 907g front and 1025g rearDepth 76mm front and rearWidth Ext 32mm front and rearWidth Int 25mm front and rear
