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Re: SRAM FORCE crank lock
If it won't pedal you probably have a broken bottom bracket. This needs to be done in a bicycle repair shop as you need the right tools to disassemble it.You will also need the exact replacement parts as they come packaged with the kit and diagrams for installation. Sorry I'm not more help.
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Follow this link and see how to use <span>GXP Integrated Bottom Bracket Adapter</b></span>
On a bike???! On a bike to service the bearings
at the crank (peddles) remove chain
rrmove peddles then there will be a lock
nut at base of peddle crank remove it
then slide the whole crank out of the
opposite side an there you go you will
have you bearings in plan view if bearings
are busted replace if they are good
clean an repack with grease an reassemble
Riding small-small is called cross-chaining, and is not recommended. On a double chainwheel bike at least the smallest and sometimes the next smallest should not be used. On a triple it's more like the 3 smallest. Nevertheless, the derailleur pulleys should take up the slack at least, if you have not made any changes to chain or derailleur. The spring on the pulley cage may be broken or weak. You need to get in-person help at a bike co-op or bike shop.
I'm sorry, but if you don't know how to order the correct BB or properly install it you should not be building a bike from scratch, as this is probably the first of many problems you will have. As for YouTube it's not a reliable source of technical info. Try this site: http://www.parktool.com/blog/repair-help OR Contact the frame seller and find out what BB the frame takes or contact the seller of the BB and ask for assistance.
To adjust the clutch, follow the clutch cable down to the frame front downtubes and find the cable adjuster. It's usually covered with a rubber bellows. Slide the bellows up or down exposing the adjuster. Loosen the lock nut and turn the cable adjuster in all the way getting as much slack in the cable as possible.
Then take the derby cover off the primary. In the center of the clutch assembly, you'll see an adjuster screw and a lock nut. Loosen the lock nut. Turn the adjuster screw inward until you feel a resistance. DO NOT FORCE THE SCREW OR YOU'LL BREAK YOUR INNER CLUTCH HUB. If you need to, back the screw out and turn it back in just till you feel the resistance several times to get the feel of it. Once you feel the resistance, back the screw off 1/2 turn and lock the lock nut down.
Then, go back to the cable adjuster and turn the adjuster barrel out until you have about 1/8 inch of freeplay in the cable. Tighten the lock nut and replace the rubber bellows. Replace the derby cover.
To adjust the clutch on your Fat Boy, follow the cable down to the frame downtubes. You'll find a rubber bellows type cover. Slide the cover up or down to expose the cable adjuster. Loosen the lock nut and turn the ajuster inwards making the cable as short as possible.
Now, remove the derby cover. In the center of the clutch assembly, you'll see a screw and a lock nut. Loosen the lock nut and turn the screw inward just until you feel a resistance. Do not force the screw as you'll be releasing he clutch. Go in just until you feel the resistance. Try is several times to get the feel of it. Once you feel the resistance, back off on the screw between 1/2 and 1 full turn. Hold the screw in that position and lock the locknut.
Now go back to the cable adjuster and turn the adjuster outwards making the cable longer until you have about 1/8 inch (3mm) free play between the lever and the lever stanchion. Lock the lock nut and reposition the bellows cover.
on front derailleurs there should be two small cross head screws one has L(lower) next to it the other has H(higher), you will need a cross head srewdriver, you simply losten or tighten the 2 screws and it will adjust the position of the derailleur to your crankset and it that completely fails then you might need to try a different crankset