13T

 CNC-machined from long-wearing 7075-T6 aluminum alloy Designed to fit Shimano-compatible cassette hubs and have a 5mm wide inner base, giving a more solid interface with the cassette...

 CNC-machined from long-wearing 7075-T6 aluminum alloy Designed to fit Shimano-compatible cassette hubs and have a 5mm wide inner base, giving a more solid interface with the cassette body Alloy cogs are anodized black with laser-etched graphics 13T x 3/32` 13T Black 8gUPC/EAN/GTIN: 639266092360

 CNC-machined chromoly construction Designed to fit Shimano-compatible cassette hubs and have a 5mm wide inner base, giving a more solid interface with the cassette body Electro...

 CNC-machined chromoly construction Designed to fit Shimano-compatible cassette hubs and have a 5mm wide inner base, giving a more solid interface with the cassette body Electro plated black with laser-etched logos 13T x 3/32` 13T Black 8gUPC/EAN/GTIN: 639266092421

 Splined, hardened chromoly construction Chrome plated to resist rusting Designed for Shimano/Sram style cassette bodies 13T x 3/32`UPC/EAN/GTIN: 072774186761 ...

 Splined, hardened chromoly construction Chrome plated to resist rusting Designed for Shimano/Sram style cassette bodies 13T x 3/32`UPC/EAN/GTIN: 072774186761

 Splined, hardened chromoly construction Optimized for strength and durability Designed for Shimano/Sram style cassette bodies ZERO-FLEX taper base design Strongest single...

 Splined, hardened chromoly construction Optimized for strength and durability Designed for Shimano/Sram style cassette bodies ZERO-FLEX taper base design Strongest single speed cog on the market 13T x 3/32` SilverUPC/EAN/GTIN: 072774188376

Threaded, hardened chromoly designUltra strongCoated to withstand rusting1.37` x 24 tpi13T x 1/8`BlackUPC/EAN/GTIN: 888571075814

Threaded, hardened chromoly designUltra strongCoated to withstand rusting1.37` x 24 tpi13T x 1/8`BlackUPC/EAN/GTIN: 888571075814

 Threaded, hardened chromoly design Ultra strong Coated to withstand rusting 1.37` x 24 tpi 13T x 1/8` SilverUPC/EAN/GTIN: 072774187294 ...

 Threaded, hardened chromoly design Ultra strong Coated to withstand rusting 1.37` x 24 tpi 13T x 1/8` SilverUPC/EAN/GTIN: 072774187294

 Threaded, hardened chromoly design Ultra strong Coated to withstand rusting 1.37` x 24 tpi 13T x 3/32` SilverUPC/EAN/GTIN: 072774187300 ...

 Threaded, hardened chromoly design Ultra strong Coated to withstand rusting 1.37` x 24 tpi 13T x 3/32` SilverUPC/EAN/GTIN: 072774187300