bicycle brake reliability-Shimano Dura-Ace Track Cog Lockring 1.29" 24 tpi Left-hand Thread

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Shimano Dura-Ace Track Cog Lockring 1.29" 24 tpi Left-hand Thread. Shimano Dura-Ace Track Cog Lockring
  • Fits all but Campagnolo Miche or Phil Wood
  • 1.29" x 24 TPI left-hand thread black steel