Anything from $50 to $800
Cruisers are usually single-speeds, but can be fitted with either internal gear hubs or derailer gear hubs. Usually 3-5 speed IGHs or 6-7 speeds derailer gears.
Depends a little on what kind of hubs you have, but on a healthy bike the gears should engade pretty immediately after a shift. If they don't, something probably needs to be adjusted or lubed.
No. a 9T sprocket will only fit a cassette hub, and not freewheel hubs.
There's usually not much point in changing hubs, as that requires tearing the wheels completely apart - spoke by spoke. and unless the flanges of the new hubs are within mm of the same size the old spokes won't fit. Often cheaper simply to buy new wheels. But if you insist: remove every spoke from the hub + rim , then lace up the new hubs to the old rim, tension and true.
Hubs are not collision domains but a networking device. Hubs have single collision domain that makes them very undesirable for modern networks.
Northwest Airlines has hubs in Minneapolis/St. Paul, Mephins, Milwaukee, Boston, and Tokyo Narita. Recently Northwest and Detla merged resulting in the consolidation of some hubs.
Both Eatern and Haro buys their sprocket from other manufacturers, and the sprockets don't really care what bike they're put on. However, there are two different types of BMX hubs, and sprockets can only be moved between hubs of the same type.
Can't find a schwinn mark III bicycle, only schwinn mark III bike trailers. They seem to have quick release hubs. QR hubs have a skewer running straight through the axle, with a nut on one end and a lever on the other. Pop the wheel in, turn the nut until it's just beginning to take tension, then close the lever.
ps, 1987
Locking hubs were not an option on this vehicle as built for the united states. If you truly have them this vehicle needs a mechanic eye to tell you how to replace there are many types pf locking hubs available after market additions
Hubs segregate packets because hubs are used as switches. Through a VLAN, hubs, when used as switches, can easily segregate incoming and outgoing traffic.