Cloudmonster 3 Men's Ultegra Di2 the R40+ is the third-generation

the R40+ is the third-generation 40+ ball

Fins:If your fins come with adjustable straps

48/35T and 46/33T chainring combinations available

Two-year warranty

Auto-calibration and firmware updates

Cloudmonster 3 Men's Ultegra Di2 the R40+ is the third-generationWe did it again. This time with more cushioning, more propulsion, and added energy return. Supercharge your run with these max cushioned, max energy road runners. Enjoy the ride, and feel like you can go forever with high cushioning and high energy return technology including a triple layer of CloudTec, snappy Speedboard and Helion midsole for upping the pace and recovery runs alike. A shoe with a versatile running profile for dedicated and everyday