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05-08-11, 11:20 PM
First of all, I need to apologize for the title - it was the best way I could summarize it. Also, I'm clueless when it comes to mechanics.
Today after riding to the ATM and back, I tried practicing some skids and trackstands on my fixed gear. While I was trackstanding, I noticed my crank arms were budging much more than they normally do when the chain's being pulled tight from a acertain crankset position. I de-saddled and played with my arms, and to my surprise I was able to push my crank arms independently of the chain ring.
The crank arms move as a unit, about 2 or 3 mm in either direction I push on it with my hand. I did a search on this topic, some of them said I need to get a new bb or a new crankset because the square taper might become rounded.
If someone could shed more light on this information I would greatly appreciate it. I'm using Origin 8 Propulsion cranks if anyone needed to know.
Today after riding to the ATM and back, I tried practicing some skids and trackstands on my fixed gear. While I was trackstanding, I noticed my crank arms were budging much more than they normally do when the chain's being pulled tight from a acertain crankset position. I de-saddled and played with my arms, and to my surprise I was able to push my crank arms independently of the chain ring.
The crank arms move as a unit, about 2 or 3 mm in either direction I push on it with my hand. I did a search on this topic, some of them said I need to get a new bb or a new crankset because the square taper might become rounded.
If someone could shed more light on this information I would greatly appreciate it. I'm using Origin 8 Propulsion cranks if anyone needed to know.