Category - The maid
many creaks on a bike sound very similar to a creaking bottom bracket. The entire drive train follows the pattern of creak when i pedal and stop when i stop pedaling, unlike wheel issues like brake discs that rub and make a sound whenever the bike is moving. This article will feature many of the usual suspects, as well as a few creaks that. Everyone i asked said to me it was the ball bearings in the bottom bracket. I pulled the bb out, spinned it in my hands, heard all sort of creaking sounds coming out of it - as if it was full of sand. Bottom bracket was two years old with about 4000 km on it (fsa if im not mistaken). bottom bracket noise (creaks, clunking, clicking coming from the bottom bracket while cycling) may indicate a serious problem. Often you will feel the cluck as you pedal and before you you may. most surprisingly, what often sounds like a bottom bracket creak is usually something else. Chainrings, bottom brackets, pedals, cleats, and even your mech hanger can be the cause of. With a seattube which tapers away into a flared bottom bracket area, the actual length of seatpost gripped by the tube can be less, increasing the chances of a creak, adds griffiths. Im suffering the same ailment myself on a 2010 specialized allez comp with 105r600. A repetitive ticking from the crankbottom bracket area that always occurs when the left hand crank is just going past top dead centre. I get a ticking creak on the left side under load (at the max.). Turns out it was the rear skewer of all things causing the creaking! It seemed like it was from the bottom bracket area because it was in sync with my pedalling but i put a dab of grease near the contact points of the skewers and the noise is gone. To adjust the bottom bracket, remove the crank arms and, with the appropriate tools for your type of bottom bracket make sure its held fast in the frame by tightening the cups andor adjusting the bearings. Another clunk when pedaling is caused by a pump brushing the crank arm on each pedal stroke. For typical cotterless 3-piece cranks, it is very important that the fixing bolts (which hold the crank to the bottom bracket spindle) be properly tightened. A loose crank will quickly distort he hole where the crank attaches to the axle.