Bicycles/Maintenance and Repair/Tools and Supplies

Basic Tools
Tools every cyclist should consider having:
 * Allen wrenches (2-8mm)
 * Chain tool
 * Screwdrivers (Phillips and flathead)
 * Open and/or box wrenches (8, 9, 10, and 15mm are the most common for bike use)
 * Tire levers
 * Pump
 * Puncture repair kit

Cyclists traveling long distances may wish to carry these tools with them. Alternately, they may wish to carry a multi-tool.

Intermediate Tools
Tools for cyclists with more of an interest in bicycle repair:
 * Pedal wrench
 * Cone wrenches
 * An appropriately sized spoke wrench
 * Chain whip
 * Crank puller
 * Cable cutter
 * Hammer
 * Headset wrench
 * T25 torx wrench
 * Cassette tool
 * Truing jig
 * Wheel dishing gauge
 * Chain wear indicator
 * Repair stand

Professional Tools
Tools for cyclists who are prepared to fix anything that may go wrong on a bicycle:
 * Bottom bracket tapping and facing tool
 * Bottom bracket tool
 * Crown race setting tool
 * Headset cup remover
 * Headset press
 * Starnut driver
 * Head tube facer/reamer

Supplies

 * Degreaser
 * Grease
 * Oil
 * Penetrating oil
 * Thread locking compound
 * Tire patch compound
 * Tire patches
 * Ti Prep
 * Cable ends to prevent cables from fraying.