Many of you with older bikes don't want to upgrade to cassettes, but find that a quality freewheel is almost impossible to find. That's because all the big Asian manufacturers are only churning out freewheels for department store bikes. IRD made these purposely nice enough to put on a vintage Cinelli road bike, but affordable enough to use as a replacement on cheaper bikes.
Index shifting waves and special teeth profiles
Nickel plated cogs
Heat-treated for durability
Polycarbonate glass fiber spacers
Double row precision bearings
Double pawl mechanism w/ 20 interface ratchets