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4

You can try to helicoil the crankset. This is an insert which can be used to repair threading, though you need some special tools to do it. Your bike shop may or may not have this as an option. They may charge you as much as dropping in a new SRAM S100 crankset for this. The crankset uses a Powerspline BB (which means if you to keep the BB, you're going to ...


4

Something is dragging as you pedal harder. The most likely thing is that your rear wheel is moving so that the tire drags against the chain stay when you apply power. This is something that you'll probably need to troubleshoot when you're riding because it isn't likely to show up with the bike on a work stand. You might be able to make it happen by applying ...


3

My guess is that your rear end is flexing and either: Rear rim is touching the brake pad, or Tire is rubbing the chainstay With the former, try checking your wheel alignment and loosing your brakes a bit (safely) and testing. With the latter, look for tire rub marks in your chainstay area where the chainstay meets the bottom bracket.


3

You need a large allen key, often an 8mm to tighten that centre bolt right down. It'll pull the crank arm onto the spindle and secure it. The LH-FSA-AL ring is the self extracting bolt, the internal hex bolt pushes on the back of it to pull the crank off without extra tools. That has a left hand thread so that it doesn't unscrew as the internal bolt ...



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