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Message: [QUOTE="Dogger, post: 808478, member: 27271"] I recently found out new product for my bike: a titanium piston pin. It weighs half of the stock steel pin, so the reciprocating weight would be reduced by 41grams. That represent 7% of total (piston, rings, pin, small end bearing) in my bike (CR500). There are certain benefits (at least in theory) for using it, I think: less stalling, freer revving engine (more overrev?), less stress on bearings, maby less vibration... but I would like to read Your opinions if there are any bad effects using lighter component like this? I know nothing about crank balancing but I think it will change also. How would it change? Will it vibrate more on lower or higher revs? Should the crank be lightened to get better balance? [/QUOTE]