Join Date: Oct 2007
Location: Orange County - SoCal
Bikes: 2011 Cannondale CAAD10
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How to tighten SRAM Rival Crank
Got a 2012 CAAD10-4 with Rival.
I've got a couple hundred miles on it and today it was really creaking as I rode. I put it on the stand when I got home and immediately noticed the crankset is loose. There's a half-inch of play in it and it wobbles easily. I further noticed that with SRAM I have no idea how to tighten it!
I can see straight through it to the other side of the bike but there are four small indentations with torque specs and an arrow on them. I imagine you put some kind of tool with four prongs in here and tighten clockwise. Looking in my handy-dandy Park Tool Kit I don't see anything like that.
Moving to the non-chain side of the bike there's kind of a washer and a knob you can turn with your hand. It doesn't appear to do much and there's still tons of play in the crank.
I can take it to the shop on Sunday but what a pain. Am I missing something or am I gonna need yet ANOTHER special tool?