This might seem like a really stupid question, but I'm really confused about tyre sizes. On my Hybrid it says 26 x 1.35 and 35-559. What does that mean? I'm looking at buying these mudguards:
Will they fit my tyres?
cycles per second
Those mudguards are for 700C wheels (622mm bead seat diameter) and won't fit your bike which has 559mm bead seat diameter wheels. Look for mudguards for 26" wheels or "MTB" wheels.
This is a rather informative link about tire sizing-