Originally Posted by
MRT2
Something to consider, if you leave your pro level race bike parked outside unattended. Dura Ace or Ultegra might be 4 or 5 lbs lighter than an entry level bike, which ironically, is exactly the weight of a Kryptonite New York Lock.
I read somewhere that all bikes weigh 40 lb. A 20 lb bike requires a 20 lb lock, a 30 lb bike needs a 10 lb lock, and a 40 lb bike needs no lock.