Don't really get it, is one fake and one is the real deal so hence why the weight difference?
The heavier one is the original Si Hollowgram crank arm, the SL is the superlight version that replaced it.
I spotted that the cranks were not a pair when it was in the shop, but kept schtum as I didn't want to spoil anyone's birthday.
@Howard started
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Don't really get it, is one fake and one is the real deal so hence why the weight difference?