Depends on what's wrong. If it's only fallen off all you have to do is lift it back on. If it's broken you're likely to need a chain-breaking tool to remove the damaged link and then a quick link to reconnect the ends. If you're lost the chain entirely you need to figure out which width and length you need before closing the chain again. www.bicycletutor.com, www.parktool.com or www.sheldonbrown.com can tell you all about what to do.
To put a bicycle chain back on, first, shift the chain onto the smallest front and rear gears. Then, carefully loop the chain back onto the chainring and rear cassette. Use a chain tool to reconnect the chain if necessary. Finally, test the gears to ensure the chain is properly aligned and functioning smoothly.
To fix a bicycle tire, first remove the wheel from the bike. Use tire levers to take off the tire from the rim. Check the inner tube for holes or damage. Patch or replace the inner tube if needed. Put the inner tube back into the tire and reattach the tire to the rim. Inflate the tire to the recommended pressure and put the wheel back on the bike.
To put a bicycle tire on, first remove the wheel from the bike. Then, deflate the tire completely and use tire levers to pry the tire off the rim. Next, place the new tire onto the rim and use the tire levers to carefully push the tire back onto the rim. Finally, inflate the tire to the recommended pressure and reattach the wheel to the bike.
To repair a bicycle tire, first remove the wheel from the bike. Use tire levers to take off the tire from the rim. Locate the puncture and patch it with a tire patch kit. Reinflate the tire and put it back on the rim. Reattach the wheel to the bike and ensure it is securely in place.
To put the back tire back on a bike, first, place the chain on the smallest gear. Then, slide the wheel back into the frame, making sure the chain is on the gears. Tighten the axle nuts or quick-release skewer, and check that the wheel spins freely. Finally, reattach the brakes if necessary.
To replace a tire tube on your bicycle, follow these steps: Remove the wheel from the bike. Use tire levers to take off the tire from the rim. Take out the old tube and replace it with a new one. Put the tire back on the rim and inflate the tube to the recommended pressure. Reattach the wheel to the bike.
air with an air pump
To fix a bicycle flat tire quickly and efficiently, follow these steps: Remove the wheel from the bike. Use tire levers to remove the tire from the rim. Inspect the tire and inner tube for the cause of the flat. Patch or replace the inner tube. Reinflate the tire to the recommended pressure. Reinstall the tire on the rim and put the wheel back on the bike.
To replace a bicycle inner tube, follow these steps: Remove the wheel from the bike. Use tire levers to remove the tire from the wheel. Take out the old inner tube. Insert the new inner tube into the tire. Put the tire back onto the wheel. Inflate the new inner tube to the recommended pressure. Put the wheel back on the bike. Make sure to check for any punctures or damage to the tire before reassembling.
Yes there most certainty is a limit to the amount of air that can be pumped into a bicycle tire. Put too much air in the tire and it will explode. The maximum air pressure for the tire is listed on the sidewall of the tire.
To put air in a bicycle tire, first remove the cap from the valve on the tire. Then, attach the pump nozzle to the valve and pump air into the tire until it reaches the recommended pressure level. Finally, remove the pump nozzle and replace the valve cap.
To replace the inner tube of a bicycle, first remove the wheel from the bike. Use tire levers to take off the tire and expose the inner tube. Remove the old tube, then insert and inflate the new tube. Carefully put the tire back on the wheel and reattach it to the bike.