45 mm in the front, 50 mm in the rear for even better aerodynamics and reduced weight. The 25 mm internal width ensures that comfort doesn’t fall by the wayside. And to make things even stiffer, we wrapped the spokes in carbon fibre.
The result? A super versatile all-round/aero wheelset that helps you reach your performance goals (or just complete your dream bike build). Whether it’s long flat rides, town sign sprints, mountain stages, or just a relaxed spin after work – our brand-new Yokto 4550 always looks the part.


Weight wheelset 1290g (+/- 3%)
Colours Titan grey
Hub type Yokto 24 holes with POEtry 40 Freewheel , 40 points of engagement and Ceramic Life time warrantied Enduro Bearings. Freewheels available: HG, XDR, N3W
Axle standard Front: 100x12mm, rear: 142x12mm
Brake interface Centerlock* disc-brake interface
Spokes 24pcs front and rear SAPIM CX-Super Aero
rim height 45mm front, 50mm rear
rim inner width 25mm hooked front, 25mm hooked rear
Rim outer width 32mm front, 32mm rear
Rim standard 700c clincher
Tubeless ready Yes
Nipples SAPIM black anodized, double square, Polyax, Secure Lock 16mm
Valve type 60mm Tune Tubeless Valve (delivered with the wheelset)
Tyres 28mm to 35mm
Warranty 10 years for the rims, hub bodies, freewheel bodies, axle, and end caps, lifetime warranty for the ceramic XD-15 ball bearings. Wear parts are not covered.
Max. system weight 100kg
notes Centerlock Ring with max. 40Nm
Use of this wheel with gear ratios exceeding 1:1 (smallest chainring to largest cassette sprocket) is not supported.
For more information here
Scope of delivery Wheel and packaging, valves, rim tape and tubeless sealant, Tune Centerlock rings, wheelbag