Shimano
Dura Ace Track Cog 3/32"
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$3456
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Shimano Dura-Ace Track Cogs.
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Customer Questions
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Q.
asked by: a guest
Do u need a lock ring for this cog?
A.
anwered by: bkearns
Absolutely you do! Any track cog definitely needs a lock ring. Without one, you will easily unthread your cog if you back pedal pretty much at all, which can cause dangerous situations for you on the bike.
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