The crank set transfers the power of a rider to the back wheel. The two parts of the system are the bottom bracket and the cranks. This is how you install and remove a cartridge bottom bracket. First you take the nut or bolt off with a wrench. second you have to take the crank arm remover and make sure you don’t stripe the cranks out when you take them off. The next thing you have to do is take off the non drive side bottom bracket, then you take the drive side bottom bracket off but remember the drive side is reverse threaded. After you have done all of this you wipe the old grease off and put new grease on everything you took off that has threads. When your ready to put the bottom bracket on your make sure the drive side goes on the right side and install your left side as well. After that put your drive side crank on and make sure you put the other crank on the opposite you put your drive side on. Put the bolts back in that hold your crank on and torque it down to 35 to 40 new ton meters.
The main job of a headset is to allow you to turn. The threadless headset, you have to loosen the stem bolts and take off the compression bolt, then you remove the spacers, after that you take the retainer bearings out. By that time the folk with drop out or fall out. After you take everything out, wipe the old grease away and put new grease in. Put your steer tube back in and then put it back together the same you take it off. After you put the folks through the steer tube, put your spacers on and then put the handle bars on. Tighten the stem bolts at the same time so there is a equal amount of tightness. Do not tighten the compression cap on to tight so it's not hard to turn or so you don't wreck the bearings.
Properly working brakes is very important for the safety of a rider. First you have to loosen your barrel adjuster, after that you make sure your brakes are striking your rim just right, if not you take a piece of card stock and toe in your pads. After that you pinch your brake arms together and tighten your pinch bolt. There is a little set screw you might have to mess with to have your brake pads strike at the same time.
The first thing you wanna do is take your tire off the bike and put it on ur axle vice. Take out your axle and one rubber seal, take your cone wrench and put it on your cone then use an adjustable wrench to take it off. once you get your cone, washer, and locknut off place your hand on the bottom of the hub to catch an bearings that may fall out. use a magnet to get all the bearings out, count them and clean them off with isopropyl alcohol. you may need some q-tips to clean out the inside of your hub. grease heavily on the inside and place all your barring back in. the you put your tire back on the axle then you put your cone, washer and locknut back on. to adjust your hub put your cone wrench on the cone a loosen it back and 8th of a turn till it feels good. make sure there's no play in it.
Changing a flat tire is a VERY common repair on a bicycle. Here are the steps to fix a flat tire on a bicycle. The first thing you is release the brakes, then you release the quick release . After that you use the tire lever to release all the air out of the tube then take the tire off the bead. Take the tube out and check for holes in the tube and tire. After take the air pump and shape the tube then put it in the rim . Then put the tire back on the bead. Check the psi on the tire then pump it up to what the tire says. After that put it back on the forks and reattach the breaks.
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