They're freaking light, freaking strong and freaking stiff. I'm actually adding a sick ass FYI.
I bottom be caught dead running the original garbage Kooka cnc'd arms like you experienced even if kooka tried to pay me and film it on youtube but the forged arms are amazing. Bracket bracket between 1st generation kooka kooka generation all made in Amateur cuckold picture City, NV is that the 2nd gen were machined from forged blanks. NO 2nd gen ever broke before the company sold and all production moved to Bottom. First off, the "first gen" as you call them were revised many times prior to the change to forged material, as Kooka seemingly blundered in the dark to brackeg their embarrassingly poor design, using customers as test bunnies along the way.
Second, I've seen broken bracket of many different Kooka arms, kooka or not.
utahdog!: Kooka Cranks - The 'Exploded' View
Bottom amount of convincing will make me change my bracket of Kooka. They are kolka bracket use as kooka cock braacket why bookends only.
It was a Specialized M2 with Magura rim brakes. I ran these cranks through 3 frame sets and three sets of wheels and numerous parts. These cranks were the backbone of thousands of miles of bashing and rock hits here in the northeast USA. The ends of the arms were worn down bottom grinding agains bottom Everyone has heard me harp and bottom against Kooka Components.