Advantages of clincher wheels
Easy to repair punctures, just by carrying spare inner tubes
Easy to change tyres, can be done in minutes
Clincher tyres are typically cheaper than tubulars
Disadvantages of clincher wheels
Typically heavier than a tubular rim
Higher rotational weight than a tubular
Braking surface encounters higher stress, having to withstand outward pressure of the bead and inward pressure of heat from the brakes