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OneUp Components Sprocket - 18T With Spacers 
Info
16t replaces the 15t and 17t sprockets within a SRAM or Shimano 10-speed wide range cassette to smooth out the shift progression 18t sprocket … read more
OneUp Components 1C023513% offretail $23.00 your price $19.99
Info 
OneUp Components Sprocket - 16T Info
16t replaces the 15t and 17t sprockets within a SRAM or Shimano 10-speed wide range cassette to smooth out the shift progression 18t sprocket … read more
14% offretail $17.50 your price $15.00
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