Reddit mentions of Cushion Grip Adjustable Wrench Set (3-Piece)

Please note that the links provided are just quick-n-dirty suggestions. Some of the Park Tool sets would cover a lot of these things, but when building from frameset up... you may want to seek out a shop with the odd tools you might only use once or twice in your life.

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Aside from the standard tools, like box wrenches, cone wrenches, Allen wrenches (aka hex keys), flathead and Phillips head drivers, Grease... you'll need tools for:

• seating the fork race
  
• installing the bottom bracket (or press fit or one of a few other types?)
  
• cutting cable & cable housing
  
  In addition, you may need:
  
  
• adjustable crescent wrenches
  
• facing and chasing the BB threads
  
• at least a 5 nM torqe wrench, perhaps a 6 nM as well
  
• chainwhip tool
  
• spoke nipple wrench
  
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  I'm sure you could "get away" with less, or perhaps the Park Tool Advanced Kit but there's a reason for these tools. Good luck.