Surly Big Dummy Bag BrakeCaliper Wear Patch ModelNumber=18673 Tooth Count 30 Round or

Tooth Count 30 Round or Oval Round Drivetrain Speeds 12 Drivetrain Speeds 11 Drivetrain Speeds 10 Direct Mount Type Direct Mount SRAM Defined Color Black Ring Position/Type Single Ring Position/Type Chain Retaining Single Ring Offset 3 Chainring BCD Sram Direct Mount Color Black Material Aluminum Material Aluminum Chainline/Hub Compatibility 141/148 Boost Hubs

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}Phil Wood 6902 Sealed Cartridge Bearing Sold Individually

Also it’s stainless steel

It’s designed for semi-horizontal front-loading dropouts like those found on the Cross-Check and will also work on many similar dropouts

Surly Big Dummy Bag BrakeCaliper Wear Patch ModelNumber=18673 Tooth Count 30 Round orSurly Big Dummy Bag BrakeCaliper Wear Patch. Genuine Surly replacement parts for first generation Big Dummy Bags.