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Probably the coolest ATB accessory of all time ever - a Shimano Shark Fin from about 1988 to protect against chain slap and chain sucking between the tire and chainstay.
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Smokinapankake May 4, 2021
Probably the coolest ATB accessory of all time ever - a Shimano Shark Fin from about 1988 to protect against chain slap and chain sucking between the tire and chainstay.

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