Cycling and male reproductive health can coexist safely when you take sensible precautions. Long hours on an unsuitable saddle, poor bike fit, and ignoring warning signs increase risk. Simple adjustments often solve the problem.
If you experience persistent pain, erectile changes, or fertility concerns, do not ignore them. Early assessment and small lifestyle changes usually restore normal function.

https://picgiraffe.com/cycling-and-male-reproductive-health-risks-and-prevention/