Insert a hex key into the hex.
Tightening bike crank. This is a list of recommended bicycle parts tightening torques that have worked well for me so far. Don’t fear, simon richardson is here to solve all your problems!become a gcn fan: Tighten by 1/8th turn increments until barely detectable, and then tighten by 1/16th turn at a time until no clunk is felt.
As has been mentioned, if it came loose, the crank arm is likely damaged. You will have what they call a b derailleur screw on the back of your rear. A 14mm socket and a ratchet will also work.
If the crankarm has been loose for some time there is a chance the movement has ruined the. Then, slide your left crank a bit. The video shows the consequences of buying a very cheap second hand bicycle:
That is pretty darn tight. Making enemies with your creaking bike? That is pretty darn tight.
This time, the position should be at midnight. A short video on how to reattach and tighten a bicycle crank arm. Once you feel underground, turn the pedal about 1/8 of a rotation farther to.
Finger tighten the press bolt clockwise on the cotter pin press until you. Place it in the 6 o’clock position. Tighten the cap to the recommended torque, which is typically 5 newton meters.