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Quote from: masonmart on April 06, 2016, 09:43:04 AMI had the same problem with every phillips head screw on the bike. Therein lies the problem, they're not Phillips screws, they're JIS! Using a Phillips driver will cause it to 'cam out' and slip if any serious torque is applied.This page explains, with a diagram.http://www.vesseltools.com/hand-tools/screwdrivers/jis-japanese-industrial-standard/view-all-products.htmlAfter taking all the allen screws out of my bike and going back to the OEM silver chocolate ones, buying JIS screwdrivers was essential, I found a reasonably priced pair on eBay.
I had the same problem with every phillips head screw on the bike.