Is this your first bike?

You should really check out the beginner advice thread and the $200-600 thread in addition to this one. There's a lot of helpful advice in there including SIZING. KNOWING YOUR SIZE IS SUPER IMPORTANT SO KNOW THAT FIRST.

Also, if you're in this price bracket and you don't already have the essential bike accessories:

• A Front Brake and Lever and Cable if you're not sure what sizes you need make a post in the weekly questions thread. Some of the bikes I suggest have one already, but if they don't GET ONE.
  
  
• A Floor Pump
  
  
• A Metric Hex Set
  
  
• A 15mm wrench if your wheels require it (most do)
  
  
• A Lockring Tool 100% essential if you plan to ride fixed
  
  
• Some Grease
  
  
• Good pedals! Clips and straps, bmx straps, or clipless can all benefit greatly from a little extra cash.
  
  
• A helmet
  
  Note there are other options for all of these that could allow you to save money/space/whatever, but you won't go wrong with what I linked. I'd really suggest having these even if it means you go down a price bracket on the actual bike, they'll all come in handy.
  
  

  New Bikes
  

  
  

• An Upgraded Dolan Precursa at £Whateveryouwanttospend is just so customizable and awesome and the pricing is great and really everyone should get this if they can. I'd highly suggest opting for the front brake, miche pistard clincher wheelset (tubular if you're riding track ONLY), and sugino75 crankset options. You can even get direct drives for only £109 extra ( a $500 crankset whaaaat) so that's cool. If you really want to dive headfirst you can get clipless pedals too, but if you don't know what those are definitely make a post in the weekly questions thread.
  
  
• The Specialized Langster at $650 retail is a super solid street and track bike. They go on sale sometimes for less and for $600 or less it's really a no brainer.
  
  
• The Wabi Classic at $750 has been my go to recommendation for a long time. It's made of super high quality steel has excellent customization options, and is all around awesome. The biggest downside is the super relaxed geo. If you want something that rides more like an average road bike check out the Special or Lightning
  
  
• The PoloandBike Williamsburg at £760 is a great option for European riders. The name brand finishing kit and artchetype rims give it that custom bike feel for a good value complete bike. If you swap out the front tire and maybe upgrade the crank this bike can be truly superb.
  
  
• The All-City Big Block at $950 is easily the best looking bike on this list imo, but that aside it's a super ultra double awesome track bike. Really well rounded and could easily be the last fixed gear you buy. One thing to watch out for is the long top tubes that all city loves so much so take a close look at that geo chart.
  
  

  Used Bikes
  

  
  Another great thing about this price bracket is the used market. I daresay it is easy to find outstanding value bikes used in this price range if you know what you're doing. I helped a friend source this for $1100 and we were being choosey! Again, if you need help post in the questions thread or just PM me because I like helping people with this stuff.
  
  
  
  
  
  

You'll probably need:

• Lockring wrench
  
• Crank remover
  
• Bottom Bracket Remover
  
  • However bottom bracket tool depends on the type of BB. I linked a Shimano sealed cartridge.
    
• Chain tool because if you change cog/chainring, you will have to add/remove links to your chain
  
  Park Tools is basically the Canon/Nikon of bike tools; always quality parts and they won't break down on you.

To tighten the lock ring you'll need a lock ring spanner, [I bought this one](Park Tool Head-Gear Lockring Wrench https://www.amazon.com/dp/B002PTVDP0/ref=cm_sw_r_cp_apa_6B.pxb31DDM07) are you sure you ordered a BBS02 that is the correct width? I'm sure more of us here could help if you can give us some pictures! If the lock ring already can thread on, you can always go to a hardware store to get some longer fasteners :)

I have used a lock ring spanner before and put a chunk of something in the 'heel' end to fill in the space. Like this one says it goes down to 41 but with a small block of wood it might just work. https://www.amazon.com/Park-Tool-Head-Gear-Lockring-Wrench/dp/B002PTVDP0

I needed a chain breaking tool, a pedal wrench, a crank puller, and this lockring wrench.