You tried using a torque wrench with an allen key attachment? or a box wrench handle to add leverage to your allen key (i think that’s what they’re called. looks like a flat tube of metal, often in motorcycle kits to help with flat wrenches)
+66 95 906 2203
SA: +66 95 906 2203
20 years of BMX business must count for something yeah? Hit me with it, I am here to help. 100% South African!