Sram crank bolt.
"This part worked great. you just need a 8mm and 10mm Allen key and a little water proof grease and blue Loctite on the outer nut, so it doesn't fall out and your good to go."

Overall rating: 5.0 / 5 from 4 reviews.
Review topics: ["upgrade"].
"This part worked great. you just need a 8mm and 10mm Allen key and a little water proof grease and blue Loctite on the outer nut, so it doesn't fall out and your good to go."
"Original bolt wallowed out a bit, just buying a replacement"
"Great upgrade, works exactly as expected."
"perfect replacement"