Learn how your bike works, how to fix a flat or do a complete overhaul. Park Tool’s website and YouTube Channel offer a comprehensive lineup of maintenance and repair help support. bit.ly/2IrAZgM | Park Tool

Quiet your derailleurs and get your bike shifting flawlessly. With Park Tool Repair Help, learn how your bike works, from derailleur adjustment to a complete overhaul. bit.ly/31twg5y | Park Tool

Park Tool has three new videos to help address common shifting problems on your bicycle, all centered around that common source of shifting woes: the derailleur hanger. Find all three at youtube.com/parktool in the Derailleurs & Shifting playlist! And if videos aren't your thing, you can always find text-based walkthroughs for these and over 150 other procedures at parktool.com/repairhelp. | Park Tool

The Park Tool TR-1 tire and tube repair kit works on any bike with an inner tube. It includes two tire levers and our world-famous pre-glued patch kit. Great to carry along to get you home safe and sound. bit.ly/3n8hkCx | Park Tool

This tool kit makes bike chain cleaning a breeze. | GIGadgets

The Park Tool Big Blue Book of Bicycle Repair is the perfect reference guide for nearly any level mechanic and every bike. The 4th Edition is updated with the latest information, procedures and techniques and covers everything from minor adjustments to complete overhauls for nearly any style bike. The BBB-4 features clear, step-by-step instructions, high-quality color photos and useful charts and graphs to thoroughly explain and demonstrate hundreds of repairs. Learn more: bit.ly/2VPb3At | Park