White Industries ENO Freewheel 16T Sealed Bearing Bicycle Freewheel - Black, Red, Gold, Purple

Specs

• Threads: 1.375” x 24TPI
• Standard Engagement freewheels have 3 pawls and 36 points of engagement
• High Engagement freewheels have 6 pawls and 72 points of engagement
• Pawls are heat treated S7 tool steel
• Driver made from heat treated 4130 steel
• Bearings are Enduro chromium steel bearing packed with a special Mobil XHP222 extra high pressure grease
• Lockring colors:
  • Silver, Black, Blue, Gold, Pink, Purple, Red
• Freewheel measurements for chainline calculations:
  • All freewheels are 18.4mm wide
  • On single freewheels (standard and discontinued Trials) center of teeth are 9mm from the inner base of the threads
  • On double freewheels inside teeth are 6.1mm from the inner base of the threads and the outside teeth are 11.8mm from the base. Teeth are 5.7mm apart center to center

Compatibility

• Works with hubs that have a 1.375” x 24TPI thread
• 16T single freewheels work with 3/32" chains only, not with 1/8" chains
  • 16T gears do not have enough room at the base for 1/8" chains to sit all the way down on the teeth
• Double freewheels work with 3/32" chains only, not with 1/8" chains
  • 1/8 chains are too wide and may rub against the adjacent teeth
• 17T-22T single freewheels will work with 3/32" or 1/8" chains